GM Service Manual Online
For 1990-2009 cars only
Makes
🢒
GMC_Truck
🢒
1999
🢒
GMC K Sierra - 4WD
🢒 DTC
Diagnostic Trouble Codes
Diagnostic Trouble Codes
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 B1035 Discr. Sensor Closed or Short to GND
DTC B1036 Discr. Sensor Open or Short to Voltage
DTC B1051 Deployment Commanded
DTC B1053 Deployment Commanded w/Loop Malfunction
DTC B1054 Infl Rst IP Module Switch CKT Failure
DTC B1061 Lamp Circuit Failure
DTC B1071 Internal SDM Failure
DTC B1367 IPC Ignition 0 Circuit Low
DTC B1397 Device Voltage Reference Out #1 CKT Low
DTC B1398 Device Voltage Reference Out #1 CKT High
DTC B1477 Retained Accessory Power Circuit Low
DTC B1478 Retained Accessory Power Circuit High
DTC B1480 Battery Rundown Protection Circuit Malf
DTC B2527 Front Fog Lamp Circuit Low
DTC B2577 Headlamp Control Circuit Low
DTC B2585 Parklamp Control Circuit Malfunction
DTC B2613 Pass Compartment Dimming #1 Circuit High
DTC B2617 Pass Compartment Dimming #2 Circuit Low
DTC B2618 Pass Compartment Dimming #2 Circuit High
DTC B2647 Ambient Light Sensor Circuit Low
DTC B2648 Ambient Light Sensor Circuit High
DTC B2725 ATC Mode Switch Circuit Malfunction
DTC B2752 Horn Relay Coil Circuit Low
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 Sec Sys Sensor Data Incorrect but Valid
DTC B2961 Key In Ignition Circuit Malfunction
DTC B2973 LF Door Key Switch Circuit Low
DTC B3031 Security System Controller in Learn Mode
DTC B3033 Security System Indicates Tamper
DTC B3102 Keyless Entry Data Link Circuit Low
DTC B3137 All Door Lock Circuit Low
DTC B3138 All Door Lock Circuit High
DTC B3147 RF Unlock Switch Circuit Low
DTC B3148 RF Unlock Switch Circuit High
DTC C0221 or C021 RF Wheel Speed Sensor Circuit Open
DTC C0222 or C022 RF Wheel Speed Signal Missing
DTC C0223 or C023 RF Wheel Speed Signal Erratic
DTC C0225 or C025 LF Wheel Speed Sensor Circuit Open
DTC C0226 or C026 LF Wheel Speed Signal Missing
DTC C0227 or C027 LF Wheel Speed Signal Erratic
DTC C0229 or C029 Drop Out of Front Wheel Speed Signals
DTC C0235 or C035 Rear Wheel Speed Signal Circuit Open
DTC C0236 or C036 Rear Wheel Speed Signal Circuit Missing
DTC C0237 or C037 Rear Wheel Speed Signal Erratic
DTC C0238 or C038 Wheel Speed Mismatch
DTC C0241-C0254 or C041-C054 EBCM Control Valve Circuit
DTC C0265 or C0266 and C065 C066 EBCM Relay Circuit
DTC C0267 or C0268 and C067 or C068 Pump Motor Circuit Open/Shorted
DTC C0269 or C0274 and C069 or C074 Excessive Dump/Isolation Time
DTC C0271-C0273 or C071 or C073 EBCM Malfunction
DTC C0281 or C081 Brake Switch Circuit
DTC C0300 Rear Speed Sensor Malfunction
DTC C0305 Front Speed Sensor Malfunction
DTC C0308 Motor A/B Circuit Low
DTC C0309 Motor A/B Circuit High
DTC C0310 Motor A/B Circuit Open
DTC C0315 Motor Ground Circuit Open
DTC C0323 T-Case Lock Circuit Low
DTC C0324 T-Case Lock Circuit High
DTC C0327 Encoder Circuit Malfunction
DTC C0367 Front Axle Control Circuit High
DTC C0374 General System Malfunction
DTC C0376 Front/Rear Shaft Speed Mismatch
DTC C0387 Unable to Perform Shift
DTC C0550 ECU Malfunction
DTC C0611 VIN Information Error
DTC P0101 Mass Air Flow (MAF) Sensor Performance
DTC P0101 Mass Air Flow (MAF) Sensor Performance
DTC P0102 Mass Air Flow (MAF) Sensor Circuit Low Frequency
DTC P0102 Mass Air Flow (MAF) Sensor Circuit Low Frequency
DTC P0103 Mass Air Flow (MAF) Sensor Circuit High Frequency
DTC P0103 Mass Air Flow (MAF) Sensor Circuit High Frequency
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 TP Sensor Circuit Insufficient Activity
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 Bank 1 Sensor 1
DTC P0131 HO2S Circuit Low Voltage Bank 1 Sensor 1
DTC P0132 HO2S Circuit High Voltage Bank 1 Sensor 1
DTC P0132 HO2S Circuit High Voltage Bank 1 Sensor 1
DTC P0133 HO2S Slow Response Bank 1 Sensor 1
DTC P0133 HO2S Slow Response Bank 1 Sensor 1
DTC P0134 HO2S Circuit Insufficient Activity Bank 1 Sensor 1
DTC P0134 HO2S Circuit Insufficient Activity Bank 1 Sensor 1
DTC P0135 HO2S Heater Performance Bank 1 Sensor 1
DTC P0135 HO2S Heater Performance Bank 1 Sensor 1
DTC P0137 HO2S Circuit Low Voltage Bank 1 Sensor 2
DTC P0137 HO2S Circuit Low Voltage Bank 1 Sensor 2
DTC P0138 HO2S Circuit High Voltage Bank 1 Sensor 2
DTC P0138 HO2S Circuit High Voltage Bank 1 Sensor 2
DTC P0140 HO2S Circuit Insufficient Activity Bank 1 Sensor 2
DTC P0140 HO2S Circuit Insufficient Activity Bank 1 Sensor 2
DTC P0141 HO2S Heater Performance Bank 1 Sensor 2
DTC P0141 HO2S Heater Performance Bank 1 Sensor 2
DTC P0151 HO2S Circuit Low Voltage Bank 2 Sensor 1
DTC P0151 HO2S Circuit Low Voltage Bank 2 Sensor 1
DTC P0152 HO2S Circuit High Voltage Bank 2 Sensor 1
DTC P0152 HO2S Circuit High Voltage Bank 2 Sensor 1
DTC P0153 HO2S Slow Response Bank 2 Sensor 1
DTC P0153 HO2S Slow Response Bank 2 Sensor 1
DTC P0154 HO2S Circuit Insufficient Activity Bank 2 Sensor 1
DTC P0154 HO2S Circuit Insufficient Activity Bank 2 Sensor 1
DTC P0155 HO2S Heater Performance Bank 2 Sensor 1
DTC P0155 HO2S Heater Performance Bank 2 Sensor 1
DTC P0157 HO2S Circuit Low Voltage Bank 2 Sensor 2
DTC P0157 HO2S Circuit Low Voltage Bank 2 Sensor 2
DTC P0158 HO2S Circuit High Voltage Bank 2 Sensor 2
DTC P0158 HO2S Circuit High Voltage Bank 2 Sensor 2
DTC P0160 HO2S Circuit Insufficient Activity Bank 2 Sensor 2
DTC P0160 HO2S Circuit Insufficient Activity Bank 2 Sensor 2
DTC P0161 HO2S Heater Performance Bank 2 Sensor 2
DTC P0161 HO2S Heater Performance Bank 2 Sensor 2
DTC P0171 Fuel Trim System Lean Bank 1
DTC P0171 Fuel Trim System Lean Bank 1
DTC P0172 Fuel Trim System Rich Bank 1
DTC P0172 Fuel Trim System Rich Bank 1
DTC P0174 Fuel Trim System Lean Bank 2
DTC P0174 Fuel Trim System Lean Bank 2
DTC P0175 Fuel Trim System Rich Bank 2
DTC P0175 Fuel Trim System Rich Bank 2
DTC P0200 Injector Control Circuit
DTC P0218 Transmission Fluid Overtemperature
DTC P0218 Transmission Fluid Overtemperature
DTC P0230 Fuel Pump Relay Control Circuit
DTC P0300 Engine Misfire Detected
DTC P0300 Engine Misfire Detected
DTC P0325 Knock Sensor Module Performance
DTC P0325 Knock Sensor Module Performance
DTC P0327 Knock Sensor (KS) 1 Circuit
DTC P0327 Knock Sensor (KS) Circuit
DTC P0332 Knock Sensor (KS) 2 Circuit
DTC P0335 Crankshaft Position (CKP) Sensor Circuit
DTC P0336 Crankshaft Position (CKP) Sensor Performance
DTC P0336 Crankshaft Position (CKP) Sensor Performance
DTC P0337 Crankshaft Position (CKP) Sensor Circuit Low Duty Cycle
DTC P0338 Crankshaft Position (CKP) Sensor Circuit High Duty Cycle
DTC P0339 Crankshaft Position (CKP) Sensor Circuit Intermittent
DTC P0340 Camshaft Position (CMP) 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 P0343 Camshaft Position (CMP) Sensor Circuit High Voltage
DTC P0351 Ignition Coil 1 Control Circuit
DTC P0352 Ignition Coil 2 Control Circuit
DTC P0353 Ignition Coil 3 Control Circuit
DTC P0354 Ignition Coil 4 Control Circuit
DTC P0355 Ignition Coil 5 Control Circuit
DTC P0356 Ignition Coil 6 Control Circuit
DTC P0357 Ignition Coil 7 Control Circuit
DTC P0358 Ignition Coil 8 Control Circuit
DTC P0401 Exhaust Gas Recirculation (EGR) Flow Insufficient
DTC P0401 Exhaust Gas Recirculation (EGR) Flow Insufficient
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 P0410 Secondary Air Injection (AIR) System
DTC P0410 Secondary Air Injection (AIR) System
DTC P0418 Secondary Air Injection (AIR) Pump Relay Control Circuit
DTC P0420 Catalyst System Low Efficiency Bank 1
DTC P0420 Catalyst System Low Efficiency Bank 1
DTC P0430 Catalyst System Low Efficiency Bank 2
DTC P0430 Catalyst System Low Efficiency Bank 2
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 P0443 Evaporative Emission (EVAP) Purge Solenoid Control Circuit
DTC P0446 Evaporative Emission (EVAP) Vent System Performance
DTC P0446 Evaporative Emission (EVAP) Vent System Performance
DTC P0449 Evaporative Emission (EVAP) Vent Solenoid Control Circuit
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 P0461 Fuel Level Sensor Performance
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 P0500 Vehicle Speed Sensor (VSS) Circuit
DTC P0500 Vehicle Speed Sensor (VSS) Circuit
DTC P0502 Vehicle Speed Sensor (VSS) Circuit Low Input
DTC P0502 Vehicle Speed Sensor (VSS) Circuit Low Input
DTC P0503 Vehicle Speed Sensor (VSS) Circuit Intermittent
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 P0560 System Voltage
DTC P0562 System Voltage Low
DTC P0563 System Voltage High
DTC P0601
DTC P0601 Control Module Read Only Memory (ROM)
DTC P0602 Control Module Not Programmed
DTC P0602 Control Module Not Programmed
DTC P0603 Control Module Long Term Memory Reset
DTC P0604 Control Module Random Access Memory (RAM)
DTC P0604 Control Module Random Access Memory (RAM)
DTC P0605 Control Module Programming Read Only Memory (ROM)
DTC P0608 Vehicle Speed Output Circuit
DTC P0650 Malfunction Indicator Lamp (MIL) Control Circuit
DTC P0654 Engine Speed Output Circuit
DTC P0704 Clutch Switch Circuit
DTC P0704 Clutch Switch Circuit
DTC P0705 Trans Range Switch Circuit
DTC P0706 Trans Range Switch Performance
DTC P0711 TFT Sensor Circuit Range/Performance
DTC P0711 TFT Sensor Circuit Range/Performance
DTC P0712 Transmission Fluid Temperature (TFT) Sensor Circuit Low Input
DTC P0712 Transmission Fluid Temperature (TFT) Sensor Circuit Low Input
DTC P0713 Transmission Fluid Temperature (TFT) Sensor Circuit High 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 P0719 Brake Switch Circuit Low Input
DTC P0724 Brake Switch Circuit High Input
DTC P0724 Brake Switch Circuit High Input
DTC P0730 Incorrect Gear Ratio
DTC P0740 TCC Enable Solenoid Circuit Electrical
DTC P0741 TCC System Stuck Off
DTC P0742 TCC System Stuck On
DTC P0742 TCC System Stuck On
DTC P0748 Pressure Control Solenoid Circuit Electrical
DTC P0748 Pressure Control Solenoid Circuit Electrical
DTC P0751 1-2 Shift Solenoid Valve Performance
DTC P0751 1-2 Shift Solenoid Valve Performance
DTC P0753 1-2 Shift Solenoid Circuit Electrical
DTC P0753 1-2 Shift Solenoid Circuit Electrical
DTC P0756 2-3 Shift Solenoid Valve Performance
DTC P0756 2-3 Shift Solenoid Valve Performance
DTC P0758 2-3 Shift Solenoid Circuit Electrical
DTC P0758 2-3 Shift Solenoid Circuit Electrical
DTC P0785 3-2 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 P1111 Intake Air Temperature (IAT) Sensor Circuit Intermittent High Voltage
DTC P1112 Intake Air Temperature (IAT) Sensor Circuit Intermittent Low Voltage
DTC P1112 Intake Air Temperature (IAT) Sensor Circuit Intermittent Low Voltage
DTC P1114 Engine Coolant Temperature (ECT) 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 P1115 Engine Coolant Temperature (ECT) Sensor Circuit Intermittent High Voltage
DTC P1121 Throttle Position (TP) 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 P1122 Throttle Position (TP) Sensor Circuit Intermittent Low Voltage
DTC P1133 HO2S Insufficient Switching Bank 1 Sensor 1
DTC P1133 HO2S Insufficient Switching Bank 1 Sensor 1
DTC P1134 HO2S Transition Time Ratio Bank 1 Sensor 1
DTC P1134 HO2S Transition Time Ratio Bank 1 Sensor 1
DTC P1153 HO2S Insufficient Switching Bank 2 Sensor 1
DTC P1153 HO2S Insufficient Switching Bank 2 Sensor 1
DTC P1154 HO2S Transition Time Ratio Bank 2 Sensor 1
DTC P1154 HO2S Transition Time Ratio Bank 2 Sensor 1
DTC P1258 Engine Coolant Overtemperature - Protection Mode Active
DTC P1336 Crankshaft Position (CKP) System Variation Not Learned
DTC P1336 Crankshaft Position (CKP) System Variation Not Learned
DTC P1345 Crankshaft Position (CKP)-Camshaft Position (CMP) Correlation
DTC P1351 Ignition Coil Control Circuit High Voltage
DTC P1361 Ignition Coil Control Circuit Low Voltage
DTC P1380 Misfire Detected - Rough Road Data Not Available
DTC P1380 Misfire Detected - Rough Road Data Not Available
DTC P1381 Misfire Detected - No Communication with Brake Control Module
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 P1415 Secondary Air Injection (AIR) System Bank 1
DTC P1415 Secondary Air Injection (AIR) System Bank 1
DTC P1416 Secondary Air Injection (AIR) System Bank 2
DTC P1416 Secondary Air Injection (AIR) System Bank 2
DTC P1441 Evaporative Emission (EVAP) System Flow During Non-Purge
DTC P1441 Evaporative Emission (EVAP) System Flow During Non-Purge
DTC P1508 Idle Speed Low - Idle Air Control (IAC) System Not Responding
DTC P1509 Idle Speed High - Idle Air Control (IAC) System Not Responding
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 P1631 Theft Deterrent Start Enable Signal Not Correct
DTC P1631 Theft Deterrent Start Enable Signal Not Correct
DTC P1635 5 Volt Reference 1 Circuit
DTC P1637 Generator L-Terminal Circuit
DTC P1639 5 Volt Reference 2 Circuit
DTC P1810 TFP Valve Position Switch Circuit
DTC P1810 TFP Valve Position Switch Circuit
DTC P1860 TCC PWM Solenoid Circuit Electrical
DTC P1860 TCC PWM Solenoid Circuit Electrical
DTC P1870 Transmission Component Slipping
DTC P1870 Transmission Component Slipping
DTC P1875 4WD Low Switch Circuit Electrical
DTC P1875 4WD Low Switch Circuit Electrical
DTC U1000 Class 2 Communication Malfunction
DTC U1026 Loss of ATC Class 2 Communication
DTC U1041 Loss of EBCM Communication
DTC U1064 Loss of BCM and/or VTD Communication
DTC U1255 Class 2 Communication Malfunction
DTC U1300 Class 2 Communication CKT Low Voltage
DTC U1301 Class 2 Communication CKT High Voltage
DTC U1301 Class 2 Data Link High