GM Service Manual Online
For 1990-2009 cars only
Makes
🢒
Buick
🢒
2000
🢒
GL7 (Export)
🢒 DTC
Diagnostic Trouble Codes
Diagnostic Trouble Codes
DTC 1 Fasten Seat Belt Indicator Control Circuit Shorted B+ or Ground
DTC 2 Battery Feed To Courtesy Lamps
DTC 3 Courtesy Lamps
DTC 8 Remote Keyless Entry
DTC B0016 RF/Passenger Frontal Deployment Loop (Single Stage or Stage 1) Resistance Low
DTC B0017 RF/Passenger Frontal Deployment Loop (Single Stage or Stage 1) Open
DTC B0018 RF/Passenger Frontal Deployment Loop (Single Stage or Stage 1) Short to Ground/Voltage Out of Range
DTC B0022 LF/Driver Frontal Deployment Loop (Single Stage or Stage 1) Resistance Low
DTC B0024 LF/Driver Frontal Deployment Loop (Single Stage or Stage 1) Short to Ground/Voltage Out of Range
DTC B0026 LF/Driver Frontal Deployment Loop (Single Stage or Stage 1) Open
DTC B0051 Deployment Commanded
DTC B0053 Deployment Commanded with Loop Malfunctions Present
DTC B0160 Temp Sensor Circuit Low
DTC B0162 Temp Sensor Circuit Open
DTC B0931 Compass Sensor Circuit Malfunction
DTC B1001 Option Configuration Error
DTC B1001 Option Configuration Error
DTC B1009 EEPROM Checksum Error
DTC B1440 Power Mode Master Input Circuits Mismatch
DTC B2734 Coded Key Controller Memory Failure
DTC B2823 Trip Odometer Reset Switch Circuit Low
DTC B2960 Invalid Coded Key Present
DTC B3031 Key Decoder Device in Assem Learn Mode
DTC B3055 Key Not Present
DTC C1214 Solenoid Valve Relay Contact or Coil Circuit Open
DTC C1216 EBCM Commanded Pressure Release Too Long
DTC C1217 Pump Motor Shorted to Ground
DTC C1218 Pump Motor Circuit Shorted to Voltage
DTC C1221 LF Wheel Speed Sensor Input Signal is 0
DTC C1222 RF Wheel Speed Sensor Input Signal is 0
DTC C1223 LR Wheel Speed Sensor Input Signal is 0
DTC C1224 RR Wheel Speed Sensor Input Signal is 0
DTC C1225 LF Excessive Wheel Speed Variation
DTC C1226 RF Excessive Wheel Speed Variation
DTC C1227 LR Excessive Wheel Speed Variation
DTC C1228 RR Excessive Wheel Speed Variation
DTC C1232 LF Wheel Speed Circuit Open or Shorted
DTC C1233 RF Wheel Speed Circuit Open or Shorted
DTC C1234 LR Wheel Speed Circuit Open or Shorted
DTC C1235 RR Wheel Speed Circuit Open or Shorted
DTC C1236 Low System Supply Voltage
DTC C1237 High System Supply Voltage
DTC C1242 Pump Motor Circuit Open
DTC C1243 BPMV Pump Motor Stalled
DTC C1254 Abnormal Shutdown Detected
DTC C1255 EBCM/EBTCM Internal Malfunction
DTC C1256 EBCM/EBTCM Internal Malfunction
DTC C1261 LF Inlet Valve Solenoid Malfunction
DTC C1262 LF Outlet Valve Solenoid Malfunction
DTC C1263 RF Inlet Valve Solenoid Malfunction
DTC C1264 RF Outlet Valve Solenoid Malfunction
DTC C1265 LR Inlet Valve Solenoid Malfunction
DTC C1266 LR Outlet Valve Solenoid Malfunction
DTC C1267 RR Inlet Valve Solenoid Malfunction
DTC C1268 RR Outlet Valve Solenoid Malfunction
DTC C1295 Brake Lamp Switch Circuit Open
DTC P0101 Mass Air Flow (MAF) Sensor Performance
DTC P0102 Mass Air Flow (MAF) Sensor Circuit Low Frequency
DTC P0103 Mass Air Flow (MAF) Sensor Circuit High Frequency
DTC P0107 Manifold Absolute Pressure (MAP) Sensor Circuit Low Voltage
DTC P0108 Manifold Absolute Pressure (MAP) Sensor Circuit High Voltage
DTC P0112 Intake Air Temperature (IAT) Sensor Circuit Low Voltage
DTC P0113 Intake Air Temperature (IAT) Sensor Circuit High Voltage
DTC P0117 Engine Coolant Temperature (ECT) Sensor Circuit Low Voltage
DTC P0118 Engine Coolant Temperature (ECT) Sensor Circuit High Voltage
DTC P0121 Throttle Position (TP) Sensor Performance
DTC P0122 Throttle Position (TP) Sensor Circuit Low Voltage
DTC P0123 Throttle Position (TP)Sensor Circuit High Voltage
DTC P0131 HO2S Circuit Low Voltage Sensor 1
DTC P0132 HO2S Circuit High Voltage Sensor 1
DTC P0134 HO2S Circuit Insufficient Activity Sensor 1
DTC P0171 Fuel Trim System Lean
DTC P0172 Fuel Trim System Rich
DTC P0201 Injector 1 Control Circuit
DTC P0202 Injector 2 Control Circuit
DTC P0203 Injector 3 Control Circuit
DTC P0204 Injector 4 Control Circuit
DTC P0205 Injector 5 Control Circuit
DTC P0206 Injector 6 Control Circuit
DTC P0230 Fuel Pump Relay Control Circuit
DTC P0300 Engine Misfire Detected
DTC P0325 Knock Sensor (KS) Circuit
DTC P0327 Knock Sensor (KS) Circuit
DTC P0336 Crankshaft Position (CKP) Sensor Circuit
DTC P0341 Camshaft Position (CMP) Sensor Performance
DTC P0401 Exhaust Gas Recirculation (EGR) Flow Insufficient
DTC P0403 Exhaust Gas Recirculation (EGR) Solenoid Control Circuit
DTC P0404 Exhaust Gas Recirculation (EGR) Open Position Performance
DTC P0405 Exhaust Gas Recirculation (EGR) Position Sensor Circuit Low Voltage
DTC P0443 Evaporative Emission (EVAP) Purge Solenoid Control Circuit
DTC P0462 Fuel Level Sensor Circuit Low Voltage
DTC P0463 Fuel Level Sensor Circuit High Voltage
DTC P0480 Cooling Fan Relay 1 Control Circuit
DTC P0481Cooling Fan Relay 2 Control Circuit
DTC P0506 Idle Speed Low
DTC P0507 Idle Speed High
DTC P0530 Air Conditioning (A/C) Refrigerant Pressure Sensor Circuit
DTC P0560 System Voltage
DTC P0601 Control Module Read Only Memory (ROM)
DTC P0602 Control Module Not Programmed
DTC P0620 Generator Performance
DTC P0650 Malfunction Indicator Lamp (MIL) Control Circuit
DTC P1106 Manifold Absolute Pressure (MAP) Sensor Circuit Intermittent High Voltage
DTC P1107 Manifold Absolute Pressure (MAP) Sensor Circuit Intermittent Low Voltage
DTC P1111 Intake Air Temperature (IAT) Sensor Circuit Intermittent High Voltage
DTC P1112 Intake Air Temperature (IAT) Sensor Circuit Intermittent Low Voltage
DTC P1114 Engine Coolant Temperature (ECT) Sensor Circuit Intermittent Low Voltage
DTC P1115 Engine Coolant Temperature (ECT) Sensor Circuit Intermittent High Voltage
DTC P1121 Throttle Position (TP) Sensor Circuit Intermittent High Voltage
DTC P1122 Throttle Position (TP) Sensor Circuit Intermittent Low Voltage
DTC P1133 HO2S Insufficient Switching Sensor 1
DTC P1134 HO2S Transition Time Ratio Sensor 1
DTC P1336 Crankshaft Position (CKP) System Variation Not Learned
DTC P1351 Ignition Coil Control Circuit High Voltage
DTC P1352 Ignition Bypass Circuit High Voltage
DTC P1361 Ignition Control (IC) Circuit Low Voltage
DTC P1362 Ignition Bypass Circuit Low Voltage
DTC P1374 Crankshaft Position (CKP) High to Low Resolution Frequency Correlation
DTC P1404 Exhaust Gas Recirculation (EGR) Closed Position Performance
DTC P1546 Air Conditioning (A/C) Clutch Relay Control Circuit
DTC P1626 Theft Deterrent Fuel Enable Signal Lost
DTC P1630 Theft Deterrent Learn Mode Active
DTC P1631 Theft Deterrent Start Enable Signal Not Correct
DTC P1635 5 Volt Reference Circuit
DTC P1639 5 Volt Reference 2 Circuit
DTC U1000 and DTC U1255 Class 2 Communication Malfunction
DTC U1001-U1254 Lost Communication with XXX
DTC U1300 Class 2 Data Link Low
DTC U1301 Class 2 Data Link High
DTC U1305 Class 2 Data Link Low or High