**Exhibit99.1**

 

AmeriCredit Automobile Receivables Trust2002-1

Class A-1 1.9400 % Asset Backed Notes

Class A-2 3.0600%  Asset Backed Notes

Class A-3 4.2300 % Asset Backed Notes

Class B 5.2800 % Asset Backed Notes

Class C 5.9800 % Asset Backed Notes

Class D 6.5300 % Asset Backed Notes

Class E 8.4000 % Asset Backed Notes

Servicer's Certificate

 

This Servicer's Certificate has been prepared pursuant to Section4.9 of the Sale and Servicing Agreement among AmeriCredit AutomobileReceivables Trust 2002-1, as Issuer, AmeriCredit Financial Services, Inc., as Servicer,  AFS SenSubCorp., as Seller, and Bank One, NA, as Backup Servicer and Trust CollateralAgent, dated as of April 11, 2002. Defined terms have the meanings assigned tothem in the Sale and Servicing Agreement or in other Transaction Documents.

 
| **Monthly Period Beginning:**      | 12/01/2002 |   |                 |      |             |             | **Original**     |
|------------------------------------|------------|--------|----------------------|-----------|------------------|------------------|------------------|
| **Monthly Period Ending:**         | 12/31/2002 |   | **Purchases**        | **Units** | **Cut-off Date** | **Closing Date** | **Pool Balance** |
| **Prev. Distribution/Close Date:** | 12/06/2002 |   | **Initial Purchase** | 63,922    | 04/11/2002       | 04/18/2002       | $999,999,734     |
| **Distribution Date:**             | 01/06/2003 |   |                 |      |             |             |             |
| **Days of Interest for Period:**   | 31         |   | **Total**            | 63,922    |             |             | $999,999,734     |
| **Days in Collection Period:**     | 31         |   |                 |      |             |             |             |
| **Months Seasoned:**               | 8          |   |                 |      |             |             |             |

 
| **I.**   | **MONTHLY PERIOD RECEIVABLES PRINCIPAL BALANCE  CALCULATION:** |
|----------|----------------------------------------------------------------|
|     |                                                           |   |   |   |   |   |   |   |   |
| **{1}**  | Beginning of period Aggregate Principal Balance                |   |   |   | **{1}** | $839,267,427 |
|     |                                                           |   |   |   |   |   |   |   |   |
|     | Monthly Principal Amounts                                      |   |   |   |   |   |   |
|     |                                                           |   |   |   |   |   |   |   |   |
|     | **{2}**                                                        | Collections on Receivables outstanding at end of period |   | **{2}** | 20,405,867 |   |
|     | **{3}**                                                        | Collections on Receivables paid off during period |   | **{3}** | 8,200,445 |   |
|     | **{4}**                                                        | Receivables becoming Liquidated Receivables during period |   | **{4}** | 8,362,472 |   |
|     | **{5}**                                                        | Receivables becoming Purchased Receivables during period |   | **{5}** | 0 |   |
|     | **{6}**                                                        | Other Receivables adjustments |   | **{6}** | 2,216 |   |
|     | **{7}**                                                        | Less amounts allocable to Interest |   | **{7}** | (11,869,490) |   |
|     |                                                           |   |   |   |   |   |   |   |   |
|     | **{8}**                                                        | Total Monthly Principal Amounts |   |   |   | **{8}** | 25,101,510 |
|     |                                                           |   |   |   |   |   |   |   |   |
| **{9}**  | End of period Aggregate Principal Balance                      |   |   |   | **{9}** | $814,165,917 |
|     |                                                           |   |   |   |   |   |   |   |   |
| **{10}** | Pool Factor                                               |   |   |   |   |   |   | **{10}** | 81.4166134% |

 
| **II.**  | **MONTHLY PERIOD NOTE BALANCE CALCULATION:** | **Class A-1** | **Class A-2** | **Class A-3** | **Class B**  |
|----------|----------------------------------------------|---------------|---------------|---------------|--------------|
| **{11}** | Original Note Balance                        |          |          | **{11}**      | $160,000,000 | $354,000,000 | $236,000,000 | $90,000,000 |
|     |                                         |          |          |          |         |   |   |   |   |
| **{12}** | Beginning of period Note Balance             |          | **{12}**      | $0            | $314,518,704 | $236,000,000 | $90,000,000 |
|     |                                         |          |          |          |         |   |   |   |   |
| **{13}** | Noteholders' Principal Distributable Amount  |          | **{13}**      | 0             | 23,344,404   | 0 | 0 |
| **{14}** | Noteholders' Accelerated Principal Amount    |          | **{14}**      | 0             | 0            | 0 | 0 |
| **{15}** | Aggregate Principal Parity Amount            |          | **{15}**      | 0             | 0            | 0 | 0 |
| **{16}** | Matured Principal Shortfall                  |          | **{16}**      |          |         |   |   |
|     |                                         |          |          |          |         |   |   |   |   |
| **{17}** | End of period Note Balance                   |          | **{17}**      | $0            | $291,174,300 | $236,000,000 | $90,000,000 |
|     |                                         |          |          |          |         |   |   |   |   |
| **{18}** | Note Pool Factors                       |          | **{18}**      | 0.0000000%    | 82.2526271%  | 100.0000000% | 100.0000000% |
|     |                                         |          |          |          |         |   |   |   |   |
|     |                                         |          |          |          |         | **Class C** | **Class D** | **Class E** | **TOTAL** |
|     |                                         |          |          |          |         | $50,000,000 | $47,500,000 | $52,500,000 | $990,000,000 |
|     |                                         |          |          |          |         |   |   |   |   |
| **{19}** | Beginning of period Note Balance             |          | **{19}**      | $50,000,000   | $47,500,000  | $44,140,548 | $782,159,252 |
|     |                                         |          |          |          |         |   |   |   |   |
| **{20}** | Noteholders' Principal Distributable Amount  | **{20}**      | 0             | 0             | 0            | 23,344,404 |
| **{21}** | Noteholders' Accelerated Principal Amount    | **{21}**      | 0             | 0             | 0            | 0 |
| **{22}** | Class E Accelerated Principal Amount         | **{22}**      |          |          | 3,416,205    | 3,416,205 |
| **{23}** | Aggregate Principal Parity Amount            | **{23}**      | 0             | 0             | 0            | 0 |
| **{24}** | Matured Principal Shortfall                  |          |          |          |         | 0 | 0 |
|     |                                         |          |          |          |         |   |   |   |   |
| **{25}** | End of period Note Balance                   |          |          | **{25}**      | $50,000,000  | $47,500,000 | $40,724,343 | $755,398,643 |
|     |                                         |          |          |          |         |   |   |   |   |
| **{26}** | Note Pool Factors                            |          |          | **{26}**      | 100.0000000% | 100.0000000% | 77.5701771% | 76.3028932% |

 

 

1

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| **III.** | **CALCULATION OF STEP-DOWN AMOUNT:**                                         |     |       |         |        |         |
|----------|------------------------------------------------------------------------------|----------|------------|--------------|-------------|--------------|
| **{27}** | Ending Pool Balance                                                          |     |       | **{27}**     |        | $814,165,917 |   |
| **{28}** | Lesser of (Max of 7% of Ending Pool Balance or $15,000,000)                  | **{28}** | 56,991,614 |         |        |
|     |        or Beg Note  Balance                    |     |       |         |        |         |   |   |
| **{29}** | Aggregate, Cumulative Amount paid to Class E Noteholders                     | **{29}** | 8,359,452  |         |        |
|     |         through prior  period             |     |       |         |        |         |   |   |
| **{30}** | Less Specified Reserve Balance                                               |     |       | **{30}**     | (9,999,997) |         |   |
| **{31}** | Sum of {28}, {29}, and {30}                                                  |     |       | **{31}**     | 55,351,069  |         |   |
| **{32}** | 25% of Ending Pool Balance                                                   |     |       | **{32}**     | 203,541,479 |         |   |
| **{33}** | Lesser of {31} or {32}                                                       |     |       | **{33}**     |        | 55,351,069   |   |
| **{34}** | Required Pro Forma Note Balance {27} - {33}                                  |     | **{34}**   |         |        | 758,814,848  |
|     |                                                                         |     |       |         |        |         |   |   |   |
| **{35}** | Beginning Note Balance                                                       |     |       |         | **{35}**    |         | 782,159,252 |   |
| **{36}** | Total Monthly Principal Amount                                               | **{36}** |       | (25,101,510) |        |
| **{37}** | Pro-Forma Note Balance ( Assuming 100% Pay-down)                             | **{37}** |       |         | 757,057,742 |
|     |                                                                         |     |       |         |        |         |   |   |   |
| **{38}** | Step-Down amount (Excess of Required Pro-forma over Pro-forma  Note Balance) | **{38}** |       |         | $1,757,106  |

 
| **IV.**  | **CALCULATION OF PRINCIPAL DISTRIBUTABLE AMOUNT:** |   |   |     |
|----------|----------------------------------------------------|--------|--------|----------|
| **{39}** | Total Monthly Principal Amounts                    |   |   | **{39}** | $25,101,510 |   |
| **{40}** | Step-down Amount                              |   |   |     | **{40}** | (1,757,106) |   |
| **{41}** | Principal Distributable Amount                     |   |   |     | **{41}** |   | $23,344,404 |

 
| **V.**   | **CALCULATION OF INTEREST DISTRIBUTABLE AMOUNT:** |             |          |         |     |
|----------|---------------------------------------------------|------------------|---------------|--------------|----------|
|     |                                              | **Beginning**    | **Interest**  | **Interest** |     |   | **Calculated** |   |   |
|     | **Class**                                         | **Note Balance** | **Carryover** | **Rate**     | **Days** | **Days Basis** | **Interest** |   |   |
| **{42}** | Class A - 1                                       | $0               | 0             | 1.94000%     | 31       | Actual days/360 | $0 |   |   |
| **{43}** | Class A - 2                                       | 314,518,704      | 0             | 3.06000%     | 30       | 30/360 | $802,023 |   |   |
| **{44}** | Class A - 3                                       | 236,000,000      | 0             | 4.23000%     | 30       | 30/360 | $831,900 |   |   |
| **{45}** | Class B                                           | 90,000,000       | 0             | 5.28000%     | 30       | 30/360 | $396,000 |   |   |
| **{46}** | Class C                                           | 50,000,000       | 0             | 5.98000%     | 30       | 30/360 | $249,167 |   |   |
| **{47}** | Class D                                           | 47,500,000       | 0             | 6.53000%     | 30       | 30/360 | $258,479 |   |   |
| **{48}** | Class E                                           | 44,140,548       | 0             | 8.40000%     | 30       | 30/360 | $308,984 |   |   |

 
| **VI.** | **RECONCILIATION OF COLLECTION ACCOUNT:** |                                                                              |     |        |        |       |
|---------|-------------------------------------------|-----------------------------------------------------------------------------------|----------|-------------|-------------|------------|
|    | **Available Funds:**                      |                                                                              |     |        |        |       |   |   |
|    | **{49}**                                  | Collections on Receivables during period (net of Liquidation  Proceeds and Fees)  | **{49}** | $28,384,836 |        |
|    | **{50}**                                  | Liquidation Proceeds collected during period                                      | **{50}** | 2,765,831   |        |
|    | **{51}**                                  | Purchase Amounts deposited in Collection  Account                            | **{51}** | 0           |        |
|    | **{52}**                                  | Investment Earnings - Collection Account                                          | **{52}** | 23,389      |        |
|    | **{53}**                                  | Investment Earnings - Transfer From Reserve Account                               | **{53}** | 12,136      |        |
|    | **{54}**                                  | Collection of Supplemental Servicing - Extension Fees                             | **{54}** | 225,596     |        |
|    | **{55}**                                  | Collection of Supplemental Servicing - Repo and Recovery Fees  Advanced           | **{55}** | 174,499     |        |
|    | **{56}**                                  | Collection of Supplemental Servicing - Late Fees                                  | **{56}** | 113,153     |        |
|    | **{57}**                                  | Total Available Funds                                                             |     | **{57}**    |        | 31,699,440 |
|    | **Distributions:**                        |                                                                              |     |        |        |       |   |   |
|    | **{58}**                                  | Base Servicing Fee                                                                |     | **{58}**    | 1,573,626   |       |
|    | **{59}**                                  | Repo and Recovery Fees - reimbursed to Servicer                                   |     | **{59}**    | 174,499     |       |
|    | **{60}**                                  | Bank Service Charges - reimbursed to Servicer                                     |     | **{60}**    | 4,879       |       |
|    | **{61}**                                  | Late Fees - reimbursed to Servicer                                                |     | **{61}**    | 113,153     |       |
|    | **{62}**                                  | Extension Fees - reimbursed to Servicer                                           |     | **{62}**    | 225,596     |       |
|    | **{63}**                                  | Agent fees                                                                        |     |        |        |       | **{63}** | 525 |   |
|    | **{64}**                                  | Class A-1 Noteholders' Interest Distributable Amount                              | **{64}** | 0           |        |
|    | **{65}**                                  | Class A-2 Noteholders' Interest Distributable Amount                              | **{65}** | 802,023     |        |
|    | **{66}**                                  | Class A-3 Noteholders' Interest Distributable Amount                              | **{66}** | 831,900     |        |
|    | **{67}**                                  | Class A Noteholders' Principal Parity Amount or Matured  Principal Shortfall      | **{67}** | 0           |        |
|    | **{68}**                                  | Class B Noteholders' Interest Distributable Amount                                | **{68}** | 396,000     |        |
|    | **{69}**                                  | Class B Noteholders' Principal Parity Amount or Matured  Principal Shortfall      | **{69}** | 0           |        |
|    | **{70}**                                  | Class C Noteholders' Interest Distributable Amount                                | **{70}** | 249,167     |        |
|    | **{71}**                                  | Class C Noteholders' Principal Parity Amount or Matured  Principal Shortfall      | **{71}** | 0           |        |
|    | **{72}**                                  | Class D Noteholders' Interest Distributable Amount                                | **{72}** | 258,479     |        |
|    | **{73}**                                  | Class D Noteholders' Principal Parity Amount or Matured  Principal Shortfall      | **{73}** | 0           |        |
|    | **{74}**                                  | Class E Noteholders' Interest Distributable Amount                                | **{74}** | 308,984     |        |
|    | **{75}**                                  | Class E Noteholders' Principal Parity Amount or Matured  Principal Shortfall      | **{75}** | 0           |        |
|    | **{76}**                                  | Noteholders' Principal Distributable Amount                                       | **{76}** | 23,344,404  |        |
|    |                                      |                                                                              |     |        |        |       |   |   |   |
|    | **{77}**                                  | Total distributions (Prior to Reserve Account Deposit)                            | **{77}** |        | 28,283,235  |
|    |                                      |                                                                              |     |        |        |       |   |   |   |
|    | **{78}**                                  | Excess Available Funds                                                            |     |        |        | **{78}**   |   | 3,416,205 |
|    |                                      |                                                                              |     |        |        |       |   |   |   |
|    | **{79}**                                  | Reserve Account Withdrawal Amount                                                 |     | **{79}**    |        | 0          |
|    |                                      |                                                                              |     |        |        |       |   |   |   |
|    | **{80}**                                  | To the Reserve Account,   the Reserve Account Deposit                        | **{80}** |        | 0           |
|    |                                      |                                                                              |     |        |        |       |   |   |   |
|    | **{81}**                                  | To the Noteholders, the   Accelerated Principal Amount (as calculated below) | **{81}** |        | 0           |
|    |                                      |                                                                              |     |        |        |       |   |   |   |
|    | **{82}**                                  | To the Class E Noteholders,   until Class E Balance is zero                  | **{82}** |        | (3,416,205) |
|    |                                      |                                                                              |     |        |        |       |   |   |   |
|    | **{83}**                                  | To the Certificateholders,   the aggregate amount remaining                  | **{83}** |        | $0          |

 

2

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| **VlI.** | **CALCULATION OF PRINCIPAL PARITY AMOUNT:**                                                                          |             |         |          |                |
|----------|----------------------------------------------------------------------------------------------------------------------|------------------|--------------|---------------|---------------------|
|     |                                                                                                                 | **(X)**          | **(Y)**      | **(I)**       | **(II)**            |   |   |   |   |
|     |                                                                                                                 | **Cumulative**   | **Pool**     | **Excess of** | **Available Funds** | **Lesser of** |   |   |   |
|     | **Class**                                                                                                            | **Note Balance** | **Balance**  | **(X) - (Y)** | **in Waterfall**    | **(I) or (II)** |   |   |   |
| **{84}** | Class A                                                                                                              | $550,518,704     | $814,165,917 | $0            | $27,973,239         | $0 |   |   |   |
| **{85}** | Class B                                                                                                              | 640,518,704      | 814,165,917  | 0             | 27,577,239          | 0 |   |   |   |
| **{86}** | Class C                                                                                                              | 690,518,704      | 814,165,917  | 0             | 27,328,072          | 0 |   |   |   |
| **{87}** | Class D                                                                                                              | 738,018,704      | 814,165,917  | 0             | 27,069,593          | 0 |   |   |   |
| **{88}** | Class E                                                                                                              | 782,159,252      | 814,165,917  | 0             | 26,760,609          | 0 |   |   |   |
| **{89}** | Total                                                                                                                |             |         |          |                | $0 |   |   |   |
|     | **  Principal Parity  Amount distributed as Noteholders Principal Distributable in first three  months of Trust |             |
|          |                                                                                                                      |                  |              |               |                     |  |  |  |  |  |

 
| **VlII.** | **CALCULATION OF ACCELERATED PRINCIPAL AMOUNT:**                      |   |     |        |
|-----------|-----------------------------------------------------------------------|--------|----------|-------------|
| **{90}**  | Excess Available Funds                                           |   |     |        |   | **{90}** | $3,416,205 |   |
| **{91}**  | Pro-Forma Note Balance (Calculated after Step-Down)                   |   | **{91}** | 758,814,848 |   |
| **{92}**  | Required Pro Forma Note Balance                                       |   | **{92}** | 758,814,848 |   |
| **{93}**  | Excess of Pro-Forma Balance over Required Pro-Forma Balance           |   | **{93}** | 0           |   |
| **{94}**  | Lesser of Excess Available Funds or Excess of Pro-Forma Note  Balance |   | **{94}** |        | $0 |

 
| **IX.**   | **RECONCILIATION OF RESERVE ACCOUNT:**                                   |   |      |     | **Initial** |
|-----------|--------------------------------------------------------------------------|--------|-----------|----------|-------------|
| **{95}**  | **Specified Reserve Balance**                                            |   |      |     |        |   |   | $9,999,997 |
|      |                                                                     |   |      |     |        |   |   |   |   |
| **{96}**  | Beginning of period Reserve Account balance                              |   |      | **{96}** |        | $9,999,997 |
|      |                                                                     |   |      |     |        |   |   |   |   |
| **{97}**  | The Reserve Account Deposit, from Collection Account                     |   |      | **{97}** | 0           |   |
| **{98}**  | Investment Earnings                                                      |   |      | **{98}** | 12,136      |   |
| **{99}**  | Investment Earnings - transferred to Collection Account  Available Funds |   | **{99}**  | (12,136) |        |
| **{100}** | Reserve Account Withdrawal Amount                                        |   | **{100}** | 0        |        |
|      |                                                                     |   |      |     |        |   |   |   |   |
| **{101}** | End of period Reserve Account balance                                    |   | **{101}** |     | $9,999,997  |

 
| **X.**    | **CALCULATION OF TOTAL OVERCOLLATERALIZATION:** |
|-----------|-------------------------------------------------|
|      |                                            |   |   |   |   |   |   |   |   |
| **{102}** | Aggregate Principal Balance                     |   |   |   | **{102}** | $814,165,917 |   |
| **{103}** | End of Period Note Balance                      |   |   |   |   | **{103}** | 755,398,643 |   |
| **{104}** | Overcollateralization (Undercollateralization)  |   |   |   | **{104}** | 58,767,274 |   |
| **{105}** | Overcollateralization %                         |   |   |   |   | **{105}** |   | 7.22% |

 
| **XI.**   | **MONTHLY PERIOD AND CUMULATIVE NUMBER OF  RECEIVABLES CALCULATION:** |   |      |
|-----------|-----------------------------------------------------------------------|--------|-----------|
|      |                                                                  |   |      |   |   |   |   |   |   |
|      |                                                                  |   |      |   |   |   |   | **Cumulative** | **Monthly** |
| **{106}** | Original Number of Receivables                                        |   | **{106}** | 63,922 |   |
| **{107}** | Beginning of period number of Receivables                             |   | **{107}** | 0 | 57,486 |
| **{108}** | Number of Receivables becoming Liquidated Receivables during  period  |   | **{108}** | 2,429 | 573 |
| **{109}** | Number of Receivables becoming Purchased Receivables during  period   |   | **{109}** | 0 | 0 |
| **{110}** | Number of Receivables paid off during period                          |   | **{110}** | 5,222 | 642 |
| **{111}** | End of period number of Receivables                                   |   | **{111}** | 56,271 | 56,271 |

 
| **XII.**  | **STATISTICAL DATA:  (CURRENT AND HISTORICAL):** |      |    |        |        |
|-----------|-------------------------------------------------------|-----------|---------|-------------|-------------|
|      |                                                  |      |    |        |        |   |   |   |   |
|      |                                                  |      |    |        |        |   | **Original** | ** Prev. Month** | **Current** |
| **{112}** | Weighted Average APR of the Receivables               | **{112}** | 17.87%  | 17.86%      | 17.85%      |
| **{113}** | Weighted Average Remaining Term of the Receivables    | **{113}** | 61.00   | 53.43       | 52.52       |
| **{114}** | Weighted Average Original Term of Receivables         | **{114}** | 63.00   | 63.00       | 63.00       |
| **{115}** | Average Receivable Balance                            | **{115}** | $15,644 | $14,600     | $14,469     |
| **{116}** | Net Losses in Period                                  | **{116}** | $0      | $4,579,974  | $5,596,641  |
| **{117}** | Aggregate Realized Losses                             | **{117}** | $0      | $17,932,988 | $23,529,629 |
| **{118}** | Aggregate Realized Loss Percentage                    | **{118}** |    | 1.793%      | 2.353%      |

 
| **XIII.** | **DELINQUENCY:**                              |         |      |        |           |      |
|-----------|-----------------------------------------------|--------------|-----------|-------------|----------------|-----------|
|      |                                          |         |      |        |           |      |   |   |   |
|      | Receivables with Scheduled Payment delinquent |         | **Units** | **Dollars** | **Percentage** |
|      | **{119}**                                     | 31-60 days   |      |        |           | **{119}** | 4,917 | $73,982,062 | 8.82% |
|      | **{120}**                                     | 61-90 days   |      |        |           | **{120}** | 1,213 | 17,635,418 | 2.10% |
|      | **{121}**                                     | over 90 days |      |        |           | **{121}** | 528 | 7,773,225 | 0.93% |
|      | **{122}**                                     | Total        |      |        |           | **{122}** | 6,658 | $99,390,705 | 11.85% |

 
| **XIV.** | **EXTENSIONS** |                                                            |      |   |        |   |
|----------|----------------|-----------------------------------------------------------------|-----------|--------|-------------|--------|
|     |           |                                                            |      |   |        |   |   |   |   |
|     | **{123}**      | Principal Balance of Receivables extended during current period | **{123}** |   | $26,625,413 |   |
|     | **{124}**      | Beginning of Period Aggregate Principal Balance                 | **{124}** |   | 839,267,427 |   |
|     | **{125}**      | Extension Rate {123} divided by {124}                           | **{125}** |   |        | 3.17%  |
|          |                |                                                                 |           |        |             |        |  |  |  |

 

 

 
| By:    |   | /s/ Connie Coffey                         |
|--------|--------|-------------------------------------------|
| Name:  |   | Connie Coffey                             |
| Title: |   | Senior Vice President, Treasury Reporting |
| Date:  |   | January 2, 2003                           |

 

3

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