GM Service Manual Online
For 1990-2009 cars only
Table 1: DIM
Table 2: IPM
Table 3: RIM

Description

Module

DTC B1000 ECU Malfunction

Navigation Data Processor, Radio, RFA, SDM, VIU

DTC B1004 Keep Alive Memory (KAM)

Cellular Telephone Module, IPC, Navigation Data Processor, Navigation Data Entry Proccessor, Radio, Radio Amplifier, VIU

DTC B1007 EEPROM Write Error

Cellular Telephone Module, IPC, MSM, Radio, Radio Amplifier, RIM, Theft Deterrent Module

DTC B1009 EEPROM Checksum Error

Cellular Telephone Module, IPC, MSM, Radio, Radio Amplifier, RIM, Theft Deterrent Module

DTC B1390 Device Voltage Reference Input CKT Malf

DIM

DTC B1652 Loss of Keep Alive Memory (KAM)

IPM

DTC B1656 EEPROM Write Error

DDM, DIM, Steering Column Module

DTC B1658 EEPROM Checksum Error

DIM, IPM, Steering Column Module

DTC B1805 Ignition Switch Problem

DIM

DIM

Description

Module

DTC B1321 A/C Low Side Temperature Sensor Fault in HVAC Systems - Automatic

DIM

DTC B1324 A/C Refrigerant Overpressure in HVAC Systems - Automatic

DIM

DTC B1390 Device Voltage Reference Input CKT Malf

DIM

DTC B1656 EEPROM Write Error

DIM

DTC B1658 EEPROM Checksum Error

DIM

DTC B1805 Ignition Switch Problem

DIM

DTC B1982 Device Power Circuit High in Engine Electrical

DIM

DTC B1983 Device Power Circuit Low in Engine Electrical

DIM

DTC B2510 Steering Wheel Controls HVAC Key Stuck in Entertainment

DIM

DTC B2511 Steering Wheel Controls Conv Key Stuck in Entertainment

DIM

DTC B2512 Strng Wheel Controls Illegal A/D Values in Entertainment

DIM

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

DIM

DTC U1065 Loss of Communications with IPM. Refer to Scan Tool Does Not Communicate with Class 2 Device in Data Link Communications

DIM

DTC U1066 Loss of Communications with RIM. Refer to Scan Tool Does Not Communicate with Class 2 Device in Data Link Communications

DIM

DTC U1255 Class 2 Data Link Malfunction. Refer to Scan Tool Does Not Communicate with Class 2 Device in Data Link Communications

DIM

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

DIM

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

DIM

IPM

Description

Module

DTC B1310 Ambient Air Temperature Sensor Failure in HVAC Systems - Automatic

IPM

DTC B1317 In Car Air Temperature Sensor in HVAC Systems - Automatic

IPM

DTC B1318 LH Sun Load Sensor Fault in HVAC Systems - Automatic

IPM

DTC B1328 RH Sun Load Sensor Fault in HVAC Systems - Automatic

IPM

DTC B1330 Left A/C Discharge Sensor Fault in HVAC Systems - Automatic

IPM

DTC B1331 Right A/C Discharge Sensor Fault in HVAC Systems - Automatic

IPM

DTC B1332 Left Heater Discharge Sensor Fault in HVAC Systems - Automatic

IPM

DTC B1333 Right Heater Discharge Sensor Fault in HVAC Systems - Automatic

IPM

DTC B1340 Air Mix Door One Movement Fault in HVAC Systems - Automatic

IPM

DTC B1341 Air Mix Door Two Movement Fault in HVAC Systems - Automatic

IPM

DTC B1343 Air Inlet Door Movement Fault in HVAC Systems - Automatic

IPM

DTC B1344 HTR/DEF/AC Door Movement Fault in HVAC Systems - Automatic

IPM

DTC B1399 Loss of KDD Communications in HVAC Systems - Automatic

IPM

DTC B1652 Loss of Keep Alive Memory (KAM)

IPM

DTC B1658 EEPROM Checksum Error

IPM

DTC B1982 Device Power Circuit High in Engine Electrical

IPM

DTC B1983 Device Power Circuit Low in Engine Electrical

IPM

DTC B2419 Twilight Photocell Circuit Problem in Lighting Systems

IPM

DTC B2420 Twilight Delay Pot Failure in Lighting Systems

IPM

DTC B2422 Interior Lamp Rheostat Failure in Lighting Systems

IPM

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

IPM

DTC U1064 Loss of Communications with DIM. Refer to Scan Tool Does Not Communicate with Class 2 Device in Data Link Communications

IPM

DTC U1066 Loss of Communications with RIM. Refer to Scan Tool Does Not Communicate with Class 2 Device in Data Link Communications

IPM

DTC U1255 Class 2 Data Link Malfunction. Refer to Scan Tool Does Not Communicate with Class 2 Device in Data Link Communications

IPM

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

IPM

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

IPM

RIM

Description

Module

DTC B1007 EEPROM Write Error

RIM

DTC B1009 EEPROM Checksum Error

RIM

DTC B1327 Device Power Circuit Low in Engine Electrical

RIM

DTC B1328 Device Power Circuit High in Engine Electrical

RIM

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

RIM

DTC U1064 Loss of Communications with DIM. Refer to Scan Tool Does Not Communicate with Class 2 Device in Data Link Communications

RIM

DTC U1065 Loss of Communications with IPM. Refer to Scan Tool Does Not Communicate with Class 2 Device in Data Link Communications

RIM

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

RIM

DTC U1160 Loss of Communications with DDM. Refer to Scan Tool Does Not Communicate with Class 2 Device in Data Link Communications

RIM

DTC U1255 Class 2 Data Link Malfunction. Refer to Scan Tool Does Not Communicate with Class 2 Device in Data Link Communications

RIM

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

RIM

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

RIM