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PZM DTC Definitions

PZM COMMUNICATION PROBLEMS

Affected System Perform Test
Class 2 Serial Data Line Class 2 Serial Data Line System Check
Scan Tool Communications Chart A: Scan Tool Will Not Communicate
PZM DTC DEFINITIONS

DTC No. (1) Circuit Affected
U1016 Loss Of Serial Communications - PCM
U1088 Loss Of Serial Communications - SDM
U1096 Loss Of Serial Communications - IPC
U1128 Loss Of Serial Communications - IRC
U1153 Loss Of Serial Communications - CCP
U1169 Loss Of Serial Communications - MMM
U1255 Class 2 Initialization Error
U1300 Class 2 Short To Ground
U1301 Class 2 Short To Battery
B0532 Fuel Level Sensor Short To Ground
B0533 Fuel Level Sensor Short To Battery
B1552 Loss Of PZM Keep Alive Memory (KAM)
B1556 PZM EEPROM Write Error
B1558 PZM EEPROM Checksum Error
B1970 Exterior Light Power Fault
B1971 Inadvertent Power Fault
B1972 Low Power Control Fault
B1973 High Power Control Fault
B1981 Battery Voltage Too Low
B1982 Battery Voltage Too High
B1983 Source Voltage Too Low
B2470 Daytime Running Lights Fault
B2471 Interior Lights Fault
B2472 Low Beam Output Fault
B2473 High Beam Output Fault
B2476 Parking Lights Output Fault
B2477 Reverse Light Relay Shorted To Ground
B2478 Reverse Light Relay Shorted To Battery
B2502 Park Gear Relay (BTSI) Shorted To Ground
B2503 Park Gear Relay (BTSI) Shorted To Battery
B2550 Storage Mode Entered
B2719 UTD - Trunk Tamper Switch Fault
(1) Perform appropriate test under DIAGNOSTIC TESTS.