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Diagnostic Trouble Code Definitions
DIAGNOSTIC TROUBLE CODE DEFINITIONS
| DTC |
Description |
| B1328 |
Charging Voltage High (Cavalier & Sunfire) |
| B1482 |
Battery Rundown Protection Circuit Low (Impala & Monte Carlo) |
| B1483 |
Battery Rundown Protection Circuit High (Impala & Monte Carlo) |
| B1507 |
High Power Control Circuit Low (Impala & Monte Carlo) |
| B1508 |
High Power Control Circuit High (Impala & Monte Carlo) |
| P0560 |
Voltage Out Of Range (Century, Grand Prix, Impala, Intrigue, Malibu, Monte Carlo & Regal) |
| P0562 |
Voltage Excessively Low (Alero, Cavalier, Grand Am & Sunfire) |
| P0563 |
Voltage Excessively High (Alero, Cavalier, Grand Am & Sunfire) |
| P0620 |
Fault Detection Circuit Malfunction (Alero & Grand Am) |
| P0620 |
Fault Detection Circuit Malfunction (Century, Grand Prix, Intrigue & Regal) |
| P0620 |
Fault Detection Circuit Malfunction (Impala & Monte Carlo) |
| P0620 |
Fault Detection Circuit Malfunction (Malibu) |
| P0621 |
Generator Turn-On Signal Circuit Voltage High Or Low (Alero, Cavalier, Grand Am & Sunfire) |
| P0622 |
Pulse Width Modulated Signal Out Of Range (Alero, Cavalier, Grand Am & Sunfire) |
| P1637 |
Output Driver Module Malfunction (Grand Prix) |