GM Service Manual Online
For 1990-2009 cars only

Description

Module

DTC B0532 Fuel Sensor Shorted To Ground in Instrument panel, gauges and Console

PZM

DTC B0533 Fuel Sensor Open/Shorted To B+ in Instrument panel, gauges and Console

PZM

DTC B1552 Loss of BCM Keep Alive Memory

PZM

DTC B1556 BCM EPROM Write Error

PZM

DTC B1558 BCM EPROM Checksum Error

PZM

DTC B1970 Exterior Lamp Power in Lighting Systems

PZM

DTC B1971 Inadvertent Power in Lighting Systems

PZM

DTC B1972 Low Power Driver Fault

PZM

DTC B1973 High Power Control Fault

PZM

DTC B1981 Battery Voltage Low

PZM

DTC B1982 Device Power 1 Circuit High

PZM

DTC B1983 Device Power 1 Circuit Low

PZM

DTC B2470 Daytime Running Lamps Fault in Lighting Systems

PZM

DTC B2471 Interior Lamp Fault in Lighting Systems

PZM

DTC B2472 Low Beam Fault in Lighting Systems

PZM

DTC B2473 High Beam Fault in Lighting Systems

PZM

DTC B2476 Parklamp Fault in Lighting Systems

PZM

DTC B2477 Reverse Lamp Relay Shorted to Ground in Lighting Systems

PZM

DTC B2478 Reverse Lamp Shorted to Battery in Lighting Systems

PZM

DTC B2502 Auto Trans Shift Lock Control Shorted to Ground in Automatic Transaxle--4T80--E

PZM

DTC B2503 Park Gear (Auto Trans Shift Lock Control) Relay Shorted to Batt in Automatic Transaxle--4T80--E

PZM

DTC B2550 Storage Mode Entered

PZM

DTC B2719 CTD-Trunk Tamper Switch Fault in Theft Deterent

PZM

DTC U1016 Loss of Communications with PCM Scan Tool Does Not Communicate with Class 2 Device in Data Link Communications

PZM

DTC U1088 Loss of Communications with SDM Scan Tool Does Not Communicate with Class 2 Device in Data Link Communications

PZM

DTC U1096 Loss of Communications with IPC Scan Tool Does Not Communicate with Class 2 Device in Data Link Communications

PZM

DTC U1128 Loss of Communications with IRC Scan Tool Does Not Communicate with Class 2 Device in Data Link Communications

PZM

DTC U1153 Loss of Communications with CCP Scan Tool Does Not Communicate with Class 2 Device in Data Link Communications

PZM

DTC U1255 Serial Data Line Malfunction Scan Tool Does Not Communicate with Class 2 Device in Data Link Communications

PZM

DTC U1300 Class 2 Short to Ground Scan Tool Does Not Communicate with Class 2 Device in Data Link Communications

PZM

DTC U1301 Class 2 Short to Battery Scan Tool Does Not Communicate with Class 2 Device in Data Link Communications

PZM