For 1990-2009 cars only
Diagnostic Trouble Codes for Chevrolet Alero Export 1999
Diagnostic Trouble Codes
- DTC B1000 IPC Malfunction
- DTC B1001 Option Configuration Error
- DTC B1007 EEPROM Write Error
- DTC B1015 Passenger Deploy. Loop Resistance High
- DTC B1016 Passenger Deployment Loop Resistance Low
- DTC B1017 Passenger Deployment Loop Open
- DTC B1018 Passenger Deployment Loop Short to GND
- DTC B1019 Passenger Deploy. Loop Short to Voltage
- DTC B1021 Driver Deployment Loop Resistance High
- DTC B1022 Driver Deployment Loop Resistance Low
- DTC B1024 Driver Deployment Loop Short to Ground
- DTC B1025 Driver Deployment Loop Short to Voltage
- DTC B1026 Driver Deployment Loop Open
- DTC B1051 Deployment Commanded
- DTC B1053 Deployment Commanded w/Loop Malfunction
- DTC B1061 Lamp Circuit Failure
- DTC B1071 Internal SDM Failure
- DTC B1365 Ignition 0 Fault
- DTC B1369 Ignition 0 Fault
- DTC B1374 Ignition 1 Fault
- DTC B1379 Ignition 3 Fault
- DTC B1487 Generator L - Term Low w/Engine Running
- DTC B1488 Generator L - Term High
- DTC B1492 Generator F - Term Low
- DTC B1493 Generator F - Term High
- DTC B2532 Front Foglamp Relay Out Short to Ground/Open
- DTC B2533 Front Foglamp Relay Output Short to Bat
- DTC B2558 Interior Lamp Control Output Short to Battery
- DTC B2575 Headlamp Request/Feedback Mismatch
- DTC B2577 Headlamp Control Circuit Low
- DTC B2578 Headlamp Relay Output Short to Battery
- DTC B2585 Parklamp Control Circuit Malfunction
- DTC B2587 Parklamp Relay Output Short to Ground/Op
- DTC B2588 Parklamp Relay Output Short to Battery
- DTC B2600 Daytime Running Lamp Circuit Malfunction
- DTC B2601 DRL Stuck
- DTC B2602 DRL Relay Output Short to Ground/Open
- DTC B2603 DRL Relay Output Short to Battery
- DTC B2647 Ambient Light Sensor Circuit Low
- DTC B2648 Ambient Light Sensor Circuit High
- DTC B2752 Horn Relay Coil Circuit Low
- DTC B2753 Horn Relay Coil Circuit High
- DTC B2947 Security System Sensor Power CKT Low
- DTC B2948 Security System Sensor Power CKT High
- DTC B2957 Security System Sensor Data Circuit Low
- DTC B2958 Security System Sensor Data Circuit High
- DTC B2960 Invalid Coded Key Present
- DTC B2965 Key In Ignition Fault
- DTC B3031 Key Decoder Device in Assem Learn Mode
- DTC B3033 Security System Indicates Tamper
- DTC B3108 Transmitter Synchronization Failure
- DTC B3127 Driver Door Unlock Output Short to GND
- DTC B3128 Driver Door Unlock Output Short to BATT
- DTC B3132 All Door Unlock Circuit Low
- DTC B3133 All Door Unlock Circuit High
- DTC B3137 All Door Lock Circuit Low
- DTC B3138 All Door Lock Circuit High
- DTC B3267 Decklid Output Relay Short to GND/Open
- DTC B3268 Decklid Output Relay Short to BATT
- DTC C1214 Brake Control Relay Contact Circuit Open
- DTC C1215 Brake Control Relay Contact Circuit Active
- DTC C1216 Brake Control Relay Coil Circuit Open
- DTC C1217 Brake Control Relay Coil Circuit Short to Ground
- DTC C1218 Brake Control Relay Coil Circuit Short 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 Left Front ESB Does Not Hold Motor
- DTC C1241 Right Front ESB Does Not Hold Motor
- DTC C1242 Rear ESB Does Not Hold Motor
- DTC C1243 Variable Effort Steering Steering Wheel Sensor Circuit Malfunction
- DTC C1244 Left Front ABS Channel Does Not Move
- DTC C1245 Right Front ABS Channel Does Not Move
- DTC C1246 Rear ABS Channel Does Not Move
- DTC C1247 Left Front ABS Motor Free Spins
- DTC C1248 Right Front ABS Motor Free Spins
- DTC C1251 Rear ABS Motor Free Spins
- DTC C1252 LF ABS Channel in Release Too Long
- DTC C1253 RF ABS Channel in Release Too Long
- DTC C1254 Rear ABS Channel in Release Too Long
- DTC C1255 EBCM Internal Malfunction
- DTC C1256 Left Front ABS Motor Circuit Open
- DTC C1257 LF ABS Motor Circuit Shorted to Ground
- DTC C1258 LF ABS Motor Circuit Shorted to Voltage
- DTC C1261 Right Front ABS Motor Circuit Open
- DTC C1262 RF ABS Motor Circuit Shorted to Ground
- DTC C1263 RF ABS Motor Circuit Shorted to Voltage
- DTC C1264 Rear ABS Motor Circuit Open
- DTC C1265 Rear ABS Motor Circuit Shorted to Ground
- DTC C1266 Rear ABS Motor Circuit Shorted to Voltage
- DTC C1267 DTC U1300 Previously Set
- DTC C1268 DTC U1301 Previously Set
- DTC C1273 VES Circuit Open or Shorted to Ground
- DTC C1274 VES Circuit Shorted to Voltage
- DTC C1275 PCM Requested ETS to Be Disabled
- DTC C1276 LF Solenoid Circuit Open or Short to Ground
- DTC C1277 LF Solenoid Circuit Shorted to Voltage
- DTC C1278 RF Solenoid Circuit Open or Shorted to Ground
- DTC C1281 RF Solenoid Circuit Shorted to Voltage
- DTC C1282 Calibration Malfunction
- DTC C1286 EBCM Turned On Brake Warning Indicator
- DTC C1291 Open Brake Lamp Switch Contacts During Deceleration
- DTC C1292 Open Brake Lamp Switch When ABS Was Required
- DTC C1293 DTC C1291/C1292 Set in Current or Previous Ignition Cycle
- DTC C1294 Brake Lamp Switch Circuit Always Active
- 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 P0105 Manifold Absolute Pressure (MAP) Sensor Performance/Range
- DTC P0106 Manifold Absolute Pressure (MAP) System Performance
- DTC P0107 Manifold Absolute Pressure (MAP) Sensor Circuit Low Voltage
- DTC P0107 Manifold Absolute Pressure (MAP) Sensor Circuit Low Voltage
- DTC P0108 Manifold Absolute Pressure (MAP) Sensor Circuit High Voltage
- DTC P0108 Manifold Absolute Pressure (MAP) Sensor Circuit High Voltage
- DTC P0112 Intake Air Temperature (IAT) Sensor Circuit Low Voltage
- DTC P0112 Intake Air Temperature (IAT) Sensor Circuit Low Voltage
- DTC P0113 Intake Air Temperature (IAT) Sensor Circuit High Voltage
- DTC P0113 Intake Air Temperature (IAT) Sensor Circuit High Voltage
- DTC P0117 Engine Coolant Temperature (ECT) Sensor Circuit Low Voltage
- DTC P0117 Engine Coolant Temperature (ECT) Sensor Circuit Low Voltage
- DTC P0118 Engine Coolant Temperature (ECT) Sensor Circuit High Voltage
- DTC P0118 Engine Coolant Temperature (ECT) Sensor Circuit High Voltage
- DTC P0121 Throttle Position (TP) Sensor Performance
- DTC P0121 Throttle Position (TP) Sensor Performance
- DTC P0122 Throttle Position (TP) Sensor Circuit Low Voltage
- DTC P0122 Throttle Position (TP) Sensor Circuit Low Voltage
- DTC P0123 Throttle Position (TP)Sensor Circuit High Voltage
- DTC P0123 Throttle Position (TP)Sensor Circuit High Voltage
- DTC P0125 Engine Coolant Temperature (ECT) Insufficient for Closed Loop Fuel Control
- DTC P0125 Engine Coolant Temperature (ECT) Insufficient for Closed Loop Fuel Control
- DTC P0131 HO2S Circuit Low Voltage Sensor 1
- DTC P0131 O2S Circuit Low Voltage Sensor 1
- DTC P0132 HO2S Circuit High Voltage Sensor 1
- DTC P0132 O2S Circuit High Voltage Sensor 1
- DTC P0133 HO2S Slow Response Sensor 1
- DTC P0133 O2S Slow Response Sensor 1
- DTC P0134 HO2S Circuit Insufficient Activity Sensor 1
- DTC P0134 O2S Circuit Insufficient Activity Sensor 1
- DTC P0135 HO2S Heater Performance Sensor 1
- DTC P0137 HO2S Circuit Low Voltage Sensor 2
- DTC P0137 HO2S Circuit Low Voltage Sensor 2
- DTC P0138 HO2S Circuit High Voltage Sensor 2
- DTC P0138 HO2S Circuit High Voltage Sensor 2
- DTC P0140 HO2S Circuit Insufficient Activity Sensor 2
- DTC P0140 HO2S Circuit Insufficient Activity Sensor 2
- DTC P0141 HO2S Heater Performance Sensor 2
- DTC P0141 HO2S Heater Performance Sensor 2
- DTC P0171 Fuel Trim System Lean
- DTC P0171 Fuel Trim System Lean
- DTC P0172 Fuel Trim System Rich
- DTC P0172 Fuel Trim System Rich
- DTC P0200 Injector Control Circuit
- 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 P0300 Engine Misfire Detected
- DTC P0301 Cylinder 1 Misfire Detected
- DTC P0302 Cylinder 2 Misfire Detected
- DTC P0303 Cylinder 3 Misfire Detected
- DTC P0304 Cylinder 4 Misfire Detected
- DTC P0325 Knock Sensor (KS) Circuit
- DTC P0325 Knock Sensor Module Performance
- DTC P0327 Knock Sensor (KS) Circuit
- DTC P0335 Crankshaft Position (CKP) Sensor Circuit
- DTC P0336 Crankshaft Position (CKP) Sensor Circuit
- DTC P0341 Camshaft Position (CMP) Sensor Performance
- DTC P0341 Camshaft Position (CMP) Sensor Performance
- DTC P0342 Camshaft Position (CMP) Sensor Circuit Low Voltage
- DTC P0401 Exhaust Gas Recirculation (EGR) Flow Insufficient
- 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 P0404 Exhaust Gas Recirculation (EGR) Open Position Performance
- DTC P0405 Exhaust Gas Recirculation (EGR) Position Sensor Circuit Low Voltage
- DTC P0405 Exhaust Gas Recirculation (EGR) Position Sensor Circuit Low Voltage
- DTC P0420 Catalyst System Low Efficiency
- DTC P0420 Catalyst System Low Efficiency
- DTC P0440 Evaporative Emission (EVAP) System
- DTC P0440 Evaporative Emission (EVAP) System
- DTC P0442 Evaporative Emission (EVAP) System Small Leak Detected
- DTC P0442 Evaporative Emission (EVAP) System Small Leak Detected
- DTC P0446 Evaporative Emission (EVAP) Vent System Performance
- DTC P0446 Evaporative Emission (EVAP) Vent System Performance
- DTC P0452 Fuel Tank Pressure Sensor Circuit Low Voltage
- DTC P0452 Fuel Tank Pressure Sensor Circuit Low Voltage
- DTC P0453 Fuel Tank Pressure Sensor Circuit High Voltage
- DTC P0453 Fuel Tank Pressure Sensor Circuit High Voltage
- DTC P0460 Fuel Level Sensor Circuit
- DTC P0461 Fuel Level Sensor Performance
- DTC P0462 Fuel Level Sensor Circuit Low Voltage
- DTC P0462 Fuel Level Sensor Circuit Low Voltage
- DTC P0463 Fuel Level Sensor Circuit High 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 P0502 Vehicle Speed Sensor (VSS) Circuit Low Input
- DTC P0503 Vehicle Speed Sensor (VSS) Circuit Intermittent
- DTC P0506 Idle Speed Low
- DTC P0506 Idle Speed Low
- DTC P0507 Idle Speed High
- DTC P0507 Idle Speed High
- DTC P0530 Air Conditioning (A/C) Refrigerant Pressure Sensor Circuit
- DTC P0530 Air Conditioning (A/C) Refrigerant Pressure Sensor Circuit
- DTC P0560 System Voltage
- DTC P0562 System Voltage Low
- DTC P0563 System Voltage High
- DTC P0601 Control Module Read Only Memory (ROM)
- DTC P0601 Control Module Read Only Memory (ROM)
- DTC P0602 Control Module Not Programmed
- DTC P0602 Control Module Not Programmed
- DTC P0705 Transmission Range Switch 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 P1133 HO2S Insufficient Switching Sensor 1
- DTC P1133 O2S Insufficient Switching Sensor 1
- DTC P1134 HO2S Transition Time Ratio Sensor 1
- DTC P1171 Fuel System Lean During Acceleration
- DTC P1336 Crankshaft Position (CKP) System Variation Not Learned
- 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 P1380 Misfire Detected - Rough Road Data Not Available
- DTC P1381 Misfire Detected - No Communication with Brake Control Module
- DTC P1404 Exhaust Gas Recirculation (EGR) Closed Position Performance
- DTC P1404 Exhaust Gas Recirculation (EGR) Closed Position Performance
- DTC P1441 Evaporative Emission (EVAP) System Flow During Non-Purge
- DTC P1441 Evaporative Emission (EVAP) System Flow During Non-Purge
- DTC P1554 Cruise Control Feedback Circuit
- DTC P1573 Lost Communications with Brake/Traction Control (EBTCM) System
- DTC P1602 Lost Communications with Brake/Traction Control (EBTCM) System
- DTC P1610 Class II Failure with BFC
- DTC P1621 Control Module Long Term Memory Performance
- DTC P1626 Theft Deterrent Fuel Enable Signal Lost
- DTC P1626 Theft Deterrent Fuel Enable Signal Not Received
- DTC P1630 Theft Deterrent Learn Mode Active
- DTC P1630 Theft Deterrent Learn Mode Active
- DTC P1631 Theft Deterrent Start Enable Signal Not Correct
- DTC P1631 Theft Deterrent Start Enable Signal Not Correct
- DTC P1632 Theft Deterrent Fuel Disable Signal Received
- DTC P1635 5 Volt Reference Circuit
- DTC P1639 5 Volt Reference 2 Circuit
- DTC P1641 Air Conditioning (A/C) Clutch Relay Control Circuit
- DTC P1651 Cooling Fan Relay 1 Control Circuit
- DTC P1652 Cooling Fan Relay 2 Control Circuit
- DTC P1662 Cruise Control Inhibit Output Circuit
- DTC P1665 Evaporative Emission (EVAP) Vent Solenoid Control Circuit
- DTC P1671 Malfunction Indicator Lamp (MIL) Control Circuit
- DTC P1676 Evaporative Emission (EVAP) Purge Solenoid Control 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 U1000 Class 2 Serial Data Link Malfunction
- DTC U1016 Loss of Communications with PCM
- DTC U1040 Loss of Class 2 Communications with ABS
- DTC U1064 Loss of Communications with BCM
- DTC U1096 Loss of Communications with IPC
- DTC U1176 Loss of Communications with RFA
- DTC U1255 Class 2 Communication Malfunction
- DTC U1300 Class 2 Data Link Low
- DTC U1301 Class 2 Data Link High
