GM Service Manual Online
For 1990-2009 cars only
Makes
🢒
Buick
🢒
1999
🢒
Century (China) (CNG)
🢒 DTC
Diagnostic Trouble Codes
Diagnostic Trouble Codes
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 B0332 Outside Air Temp Sensor Short to Ground
DTC B0333 Outside Air Temperature Sensor Open
DTC B0570 Season Odometer Malfunction
DTC B0600 Option Content Failure
DTC B0602 PLL Oscillator Error
DTC B0608 BCM Power Moding Error
DTC B0608 Power Moding Error
DTC B1000 ECU Malfunction
DTC B1000 IPC Malfunction
DTC B1001 Option Configuration Error
DTC B1003 RFA Programming Message Not Received
DTC B1007 BCM Internal Memory Malfunction
DTC B1009 BCM Internal Memory Malfunction
DTC B1015 VIN Information Error
DTC B1339 Door Lock Battery Feed Circuit Open
DTC B1344 Courtesy Lights Battery Feed CKT Open
DTC B1349 Door Lock Actuator Ground Feed CKT Open
DTC B1477 RAP Relay Circuit Shorted to GND or Open
DTC B1478 RAP Relay Circuit Shorted to B+
DTC B1482 Courtesy Lights CKT Shorted to Ground
DTC B2533 Foglamp Switch Circuit Shorted to B+
DTC B2552 Backup Lamps Control Circuit Low
DTC B2553 Backup Lamps Control Circuit High
DTC B2559 Theater Dimming Ground Circuit Open
DTC B2602 DRL Circuit Open or Shorted to Ground
DTC B2603 DRL Circuit Shorted to B+
DTC B2612 Pass Compartment Dimming #1 Circuit Low
DTC B2613 Dim Potentiometer Circuit High
DTC B2618 Pass Compartment Dimming #2 Circuit High
DTC B2747 Traction Control Switch CKT Short/GND
DTC B2753 Horn Relay Circuit Shorted to B+
DTC B2818 Low Tire Pressure System Reset Circuit Low
DTC B2957 PASS-Key Data Shorted to Ground
DTC B2958 PASS-Key Data Open/Shorted to Battery
DTC B2960 PASS-Key Data Incorrect
DTC B2961 Key In Ignition Circuit Malfunction
DTC B3031 Passlock Controller in Learn Mode
DTC B3102 RFA Link Circuit Shorted to Ground
DTC B3103 RFA Link Circuit Shorted to B+
DTC B3106 RFA Link Parity Error
DTC B3127 Driver Door Unlock Output Short to GND
DTC B3128 Driver Door Unlock CKT Short to B+
DTC B3267 Decklid Output Relay Short to GND/Open
DTC B3268 Decklid Output Relay Short to BATT
DTC C1214 Solenoid Valve Relay Contact or Coil Circuit Open
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 C1238 Brake Thermal Model Exceeded
DTC C1242 Pump Motor Circuit Open
DTC C1243 BPMV Pump Motor Stalled
DTC C1245 Low Tire Pressure Detected
DTC C1245 Low Tire Pressure Detected
DTC C1247 Low Brake Fluid Detected
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 C1272 LF TCSValve Solenoid Malfunction
DTC C1274 RF TCSValve Solenoid Malfunction
DTC C1275 PCM Requested ETS to Be Disabled
DTC C1276 Delivered Torque Signal Circuit Malfunction
DTC C1277 Requested Torque Signal Circuit Malfunction
DTC C1278 TCS Temporarily Inhibited By PCM
DTC C1291 Open Brake Lamp Switch Contacts During Deceleration
DTC C1293 Code C1291 Set in Previous Ignition Cycle
DTC C1294 Brake Lamp Switch Circuit Always Active
DTC C1295 Brake Lamp Switch Circuit Open
DTC C1298 PCM Class 2 Serial Data Link Malfunction
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 P0133 HO2S Slow Response Sensor 1
DTC P0134 HO2S Circuit Insufficient Activity Sensor 1
DTC P0171 Fuel Trim System Lean Bank 1
DTC P0172 Fuel Trim System Rich Bank 1
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 P0218 Transmission Fluid Overtemperature
DTC P0230 Fuel Pump Relay Control Circuit
DTC P0300 Engine Misfire Detected
DTC P0325 Knock Sensor Module Performance
DTC P0327 Knock Sensor (KS) Circuit
DTC P0336 Crankshaft Position (CKP) Sensor Circuit
DTC P0341 Camshaft Position (CMP) Sensor Performance
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 P0480 Cooling Fan Relay 1 Control Circuit
DTC P0481Cooling Fan Relay 2 Control Circuit
DTC P0502 Vehicle Speed Sensor (VSS) Circuit Low Input
DTC P0503 Vehicle Speed Sensor (VSS) Circuit Intermittent
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 P0650 Malfunction Indicator Lamp (MIL) Control Circuit
DTC P0711 TFT Sensor Circuit Range/Performance
DTC P0712 Transmission Fluid Temperature (TFT) Sensor Circuit Low Input
DTC P0713 Transmission Fluid Temperature (TFT) Sensor Circuit High Input
DTC P0716 Input Speed Sensor Circuit Intermittent
DTC P0717 Input Speed Sensor Circuit Low Input
DTC P0719 Brake Switch Circuit Low Input
DTC P0724 Brake Switch Circuit High Input
DTC P0730 Incorrect Gear Ratio
DTC P0741 TCC System Stuck Off
DTC P0742 TCC System Stuck On
DTC P0748 Pressure Control Solenoid Circuit Electrical
DTC P0751 1-2 Shift Solenoid Valve Performance
DTC P0753 1-2 Shift Solenoid Circuit Electrical
DTC P0756 2-3 Shift Solenoid Valve Performance
DTC P0758 2-3 Shift Solenoid Circuit Electrical
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 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 P1602 Lost Communications with Brake/Traction Control (EBTCM) System
DTC P1605 Lost Communications with HVAC Control System
DTC P1610 Lost Communications with Body Multiple Control (BCM) System
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 P1810 TFP Valve Position Switch Circuit
DTC P1811 Maximum Adapt and Long Shift
DTC P1860 TCC PWM Solenoid Circuit Electrical
DTC P1887 TCC Release Switch Circuit
DTC U1016 Loss of Communications with PCM
DTC U1040 Loss of Class 2 Communications with ABS
DTC U1096 Loss of Communications with IPC
DTC U1255 Serial Data Line Malfunction
DTC U1300 Class 2 Short to Ground
DTC U1301 Class 2 Short to Battery