Retrieving & Clearing Diagnostic Trouble Codes (DTCS)
WARNING: This page is about a different car, the 1999 Pontiac Grand Am and 1999 Oldsmobile Alero. However, it is still accessible from the selected car via links, so may be relevant.
DTC can only be retrieved and cleared using an OBD-II compatible scan tool. Turn ignition on, with engine off. Connect scan tool to Data Link Connector (DLC) located under left side of instrument panel. Retrieve DTCs. See BCM DTC DEFINITIONS table.
BCM DTC DEFINITIONS
| DTC (1) | Description | ||
|---|---|---|---|
| B1001 | Controller Memory Configuration Error | ||
| B1369 | Ignition 0 Fault | ||
| B1374 | Ignition 1 Fault | ||
| B1379 | Ignition 3 Fault | ||
| B2532 | Front Fog Lamp Relay Output Short To Ground Or Open | ||
| B2533 | Front Fog Lamp Relay Output Short To Voltage | ||
| B2558 | Interior Lamp Control Output Short To Voltage | ||
| B2575 | Head Lamp Request/Feedback Mismatch | ||
| B2577 | Head Lamp Control Circuit Low | ||
| B2578 | Head Lamp Relay Output Short To Voltage | ||
| B2585 | Parking Lamp Control Circuit Malfunction | ||
| B2587 | Parking Lamp Relay Output Short To Ground Or Open | ||
| B2588 | Parking Lamp Relay Output Short To Voltage | ||
| B2600 | Daytime Running Light (DRL) Circuit Malfunction | ||
| B2601 | Daytime Running Light (DRL) Stuck | ||
| B2602 | Daytime Running Light (DRL) Relay Output Short To Ground Or Open | ||
| B2603 | Daytime Running Light (DRL) Relay Output Short To Voltage | ||
| B2647 | Ambient Lamp Sensor Circuit Low | ||
| B2648 | Ambient Lamp Sensor Circuit High | ||
| B2752 | Horn Relay Coil Circuit Low | ||
| B2753 | Horn Relay Coil Circuit High | ||
| B2947 | Security System Sensor Power Circuit Low | ||
| B2948 | Security System Sensor Power Circuit High | ||
| B2957 | Security System Sensor Data Circuit Low | ||
| B2958 | Security System Sensor Data Circuit High | ||
| B2960 | Invalid Key Code Present | ||
| B2965 | Key In Ignition Fault | ||
| B3031 | Key Decoder Device In Learn Mode | ||
| B3033 | Security System Indicates Tamper | ||
| B3127 | Driver Door Unlock Output Short To Ground Or Open | ||
| B3128 | Driver Door Unlock Output Short To Voltage | ||
| B3132 | All Door Unlock Circuit Low | ||
| B3133 | All Door Unlock Circuit High | ||
| B3137 | All Door Lock Circuit Low | ||
| B3138 | All Door Lock Circuit High | ||
| B3267 | Decklid Output Relay Short To Ground Or Open | ||
| B3268 | Decklid Output Relay Short To Voltage | ||
| U1000 | Class 2 Serial Data Link Malfunction | ||
| U1016 | Loss Of Communications With PCM | ||
| U1040 | Loss Of Class 2 Communication With ABS | ||
| U1064 | Loss Of Communications With BCM | ||
| U1096 | Loss Of Communications With IPC | ||
| U1176 | Loss Of Communications With RFA | ||
| U1255 | Class 2 Communication Malfunction | ||
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