Diagnostic Trouble Codes

GM Motor Company Group
Diagnostic Trouble Codes
Here is the list of DTC’s. This is a HUGE file (48 pages ) so it’s probably easiest to
use your scroll function to locate the code you’re looking for.
The P0000 to P1000 are all EOBD Codes.
First digit structure is as follows:
• Pxxxx for powertrain
• Bxxxx for body
• Cxxxx for chassis
• Uxxxx for future systems
Second digit structure is:
• P0xxx Government required codes
• P1xxx Manufacturer codes for additional emission system function; not
required but reported to the government
Third digit structure is:
• Px1xx measurement of air and fuel
• Px2xx measurement of air and fuel
• Px3xx ignition system
• Px4xx additional emission control
• Px5xx speed and idle regulation
• Px6xx computer and output signals
• Px7xx transmission
• Px8xx transmission
• Px9xx control modules, input and output signals
The fourth and fifth digits designate the individual components and systems.

GM DTC Codes 2
P0001 Fuel Volume Reg Ctrl Circ/Open
P0002 Fuel Volume Reg Ctrl Circ Range/Perf
P0003 Fuel Volume Reg Ctrl Circ Low
P0004 Fuel Volume Reg Ctrl Circ High
P0005 Fuel Shutoff Valve A Ctrl Circ/Open
P0006 Fuel Shutoff Valve A Ctrl Circ Low
P0007 Fuel Shutoff Valve A Ctrl Circ High
P0008 Engine Pos Sys Perf Bank1
P0009 Engine Pos Sys Perf Bank2
P0010 A Camshaft Pos Actuator Circ (bank
P0011- A Camshaft Pos Timing-Over-Advanced (bank
P0012- A Camshaft Pos Timing-Over-Retarded (bank
P0013- B Camshaft Pos Actuator Circ (bank
P0014 B Camshaft Pos Timing-Over-Advanced (bank
P0015 B Camshaft Pos Timing-Over-Retarded (bank
P0016 Crank Pos-Camshaft Pos Correlation Bank1 SensorA
P0017 Crank Pos-Camshaft Pos Correlation Bank1 SensorB
P0018 Crank Pos-Camshaft Pos Correlation Bank2 SensorA
P0019 Crank Pos-Camshaft Pos Correlation Bank2 SensorB
P0020 A Camshaft Pos Actuator Circ (bank2)
P0021 A Camshaft Pos Timing-Over-Advanced (bank2)
P0022 A Camshaft Pos Timing-Over-Retarded (bank2)
P0023 B Camshaft Pos Actuator Circ (bank2)
P0024 B Camshaft Pos Timing-Over-Advanced (bank2)
P0025 B Camshaft Pos Timing-Over-Retarded (bank2)
P0026 Intake Valve Ctrl Solenoid Circ Range/Perf Bank1
P0027 Exhaust Valve Ctrl Solenoid Circ Range/Perf Bank1
P0028 Intake Valve Ctrl Solenoid Circ Range/Perf Bank2
P0029 Exhaust Valve Ctrl Solenoid Circ Range/Perf Bank2
P0030 HO2S Heater Ctrl Circ (bank1, Sensor
P0031- HO2S Heater Ctrl Circ Lo (bank1, Sensor
P0032- HO2S Heater Ctrl Circ Hi (bank1, Sensor
P0033 Turbo Charger Bypass Valve Ctrl Circ
P0034 Turbo Charger Bypass Valve Ctrl Circ Lo
P0035 Turbo Charger Bypass Valve Ctrl Circ Hi
P0036 HO2S Heater Ctrl Circ (bank1, Sensor2)
P0037- HO2S Heater Ctrl Circ Lo (bank1, Sensor2)
P0038- HO2S Heater Ctrl Circ Hi (bank1, Sensor2)
P0039 T/S Charger Bypass Valve Ctrl Circ Range/Perf
P0040 O2 Sensor Signals Swapped Bank1 Sensor 1/ Bank2 Sensor 1
P0041 O2 Sensor Signals Swapped Bank1 Sensor 2/ Bank2 Sensor 2
P0042 HO2S Heater Ctrl Circ (bank1, S

P0043 HO2S Heater Ctrl Circ Lo (bank1, Sensor 3)
P0044 HO2S Heater Ctrl Circ Hi (bank1, Sensor 3)
P0045 T/S Charger Boost Ctrl Solenoid Circ/Open
P0046 T/S Charger Boost Ctrl Solenoid Circ Range/Perf
P0047 T/S Charger Boost Ctrl Solenoid Circ Low
P0048 T/S Charger Boost Ctrl Solenoid Circ High
P0049 T/S Charger Turbine Overspeed
P0050 HO2S Heater Ctrl Circ (bank2, Sensor
P0051- HO2S Heater Ctrl Circ Lo (bank2, Sensor
P0052- HO2S Heater Ctrl Circ Hi (bank2, Sensor
P0053 HO2S Heater Resistance Bank1 Sensor 1
P0054 HO2S Heater Resistance Bank1 Sensor 2
P0055 HO2S Heater Resistance Bank1 Sensor 3

P0056 HO2S Heater Ctrl Circ (bank2, Sensor2)
P0057- HO2S Heater Ctrl Circ Lo (bank2, Sensor2)
P0058- HO2S Heater Ctrl Circ Hi (bank2, Sensor2)
P0059 HO2S Heater Resistance Bank2 Sensor 1
P0060 HO2S Heater Resistance Bank2 Sensor 2
P0061 HO2S Heater Resistance Bank2 Sensor 3
P0062 HO2S Heater Ctrl Circ (bank2, Sensor 3)
P0063 HO2S Heater Ctrl Circ Lo (bank2, Sensor 3)
P0064 HO2S Heater Ctrl Circ Hi (bank2, Sensor 3)
P0065- Air Assisted Injector Ctrl Range/Perf
P0066- Air Assisted Injector Ctrl Circ/Circ Lo
P0067 Air Assisted Injector Ctrl Circ Hi
P0068 MAP/MAF-Throttle Pos Correlation
P0069 MAP-Barometric Press Correlation
P0070 Ambient Air Temp Sensor Circ
P0071 Ambient Air Temp Sensor Range/Perf
P0072 Ambient Air Temp Sensor Circ Lo Input
P0073 Ambient Air Temp Sensor Circ Hi Input
P0074 Ambient Air Temp Sensor Circ Interm
P0075 Intake Valve Ctrl Circ (bank
P0076 Intake Valve Ctrl Circ Lo (bank
P0077 Intake Valve Ctrl Circ Hi (bank
P0078 Exhaust Valve Ctrl Circ (bank
P0079 Exhaust Valve Ctrl Circ Lo (bank
P0080 Exhaust Valve Ctrl Circ Hi (bank
P0081 Intake Valve Ctrl Circ (bank2)
P0082 Intake Valve Ctrl Circ Lo (bank2)
P0083 Intake Valve Ctrl Circ Hi (bank2)
P0084 Exhaust Valve Ctrl Circ (bank2)
P0085 Exhaust Valve Ctrl Circ Lo (bank2)
P0086 Exhaust Valve Ctrl Circ Hi (bank2)
P0087 Fuel Rail/Sys Pres-Too Lo
P0088 Fuel Rail/Sys Pres-Too Hi
P0089 Fuel Pres Reg Perf
P0090 Fuel Pres Reg Ctrl Circ
P0091 Fuel Pres Reg Ctrl Circ Lo
P0092 Fuel Pres Reg Ctrl Circ Hi
P0093 Fuel Sys Leak Detected-Large Leak
P0094 Fuel Sys Leak Detected-Small Leak
P0095 Intake Air Temp Sensor 2 Circ
P0096 Intake Air Temp Sensor 2 Circ Range/Perf
P0097 Intake Air Temp Sensor 2 Circ Low
P0098 Intake Air Temp Sensor 2 Circ High
P0099 Intake Air Temp Sensor 2 Circ Interm/Erratic
P0100 Mass/Volume Air Flow Circ Error
P0101 Mass/Volume Air Flow Circ Range/Perf
P0102- Mass/Volume Air Flow Circ Lo Input
P0103- Mass/Volume Air Flow Circ Hi Input
P0104 Mass/Volume Air Flow Circ Interm
P0105- MAP/Baro Pres Circ Error
P0106- MAP/Baro Pres Circ Range/Perf
P0107- MAP/Baro Pres Circ Lo Input
P0108- MAP/Baro Pres Circ Hi Input
P0109- MAP/Baro Pres Circ Interm
P0110 Intake Air Temp Circ Error

P0111 Intake Air Temp Circ Range/Perf
P0112- Intake Air Temp Circ Lo Input
P0113- Intake Air Temp Circ Hi Input
P0114 Intake Air Temp Circ Interm
P0115 Eng Coolant Temp Circ Error
P0116- Eng Coolant Temp Circ Range/Perf
P0117- Eng Coolant Temp Circ Lo Input
P0118- Eng Coolant Temp Hi Input
P0119 Eng Coolant Temp Interm
P0120 Throttle Pos Sensor/Switch A Circ Error
P0121- Throttle Pos Sensor/Switch A Circ Range/Perf
P0122- Throttle Pos Sensor/Switch A Circ Lo Input
P0123- Throttle Pos Sensor/Switch A Circ Hi Input
P0124- Throttle Pos Sensor/Switch A Circ Interm
P0125- Insuff Coolant Temp for Closed Loop Fuel Ctrl
P0126 Insuff Coolant Temp Stable Operation
P0127 Intake Air Temp Too Hi
P0128- Coolant Temp below Thermostat
P0129 Barometric Press Too Low
P0130 Oxy Sensor Circ (bank1, Sensor
P0131- Oxy Sensor Circ Lo Voltage (bank1, Sensor
P0132- Oxy Sensor Circ Hi Voltage (bank1, Sensor
P0133- Oxy Sensor Circ Slow Response (bank1, Sens
P0134- Oxy Sens Circ No Activity Detected (bank1 Sens
P0135- Oxy Sensor Heater Circ (bank1, Sensor
P0136- Oxy Sensor Circ (bank1, Sensor2)
P0137- Oxy Sensor Circ Lo Voltage (bank1, Sensor2)
P0138- Oxy Sensor Circ Hi Voltage (bank1, Sensor2)
P0139 Oxy Sensor Circ Slow Response (bank1, Sensor2)
P0140- Oxy Sens Circ No Activity Detected (bank1Sens2)
P0141 Oxy Sensor Heater Circ (bank1, Sensor2)
P0142 Oxy Sensor Circ (bank1, Sensor 3)
P0143 Oxy Sensor Circ Lo Voltage (bank1, Sensor 3)
P0144 Oxy Sensor Circ Hi Voltage (bank1, Sensor 3)
P0145 Oxy Sensor Circ Slow Response (bank1, Sensor 3)
P0146 Oxy Sensor Circ No Activity Detected (bank1 Sens3)
P0147 Oxy Sensor Heater Circ (bank1, Sensor 3)
P0148 Fuel Delivery Error
P0149 Fuel Timing Error
P0150 Oxy Sensor Circ (bank2, Sensor
P0151 Oxy Sensor Circ Lo Voltage (bank2, Sensor
P0152 Oxy Sensor Circ Hi Voltage (bank2, Sensor
P0153 Oxy Sensor Circ Slow Response (bank2, Sensor
P0154 Oxy Sensor Circ No Activity Detected (bank2 Sens
P0155 Heated Oxy Sensor Heater Circ (bank2, Sensor
P0156 Oxy Sensor Circ (bank2, Sensor2)
P0157 Oxy Sensor Circ Lo Voltage (bank2, Sensor2)
P0158 Oxy Sensor Circ Hi Voltage (bank2, Sensor2)
P0159 Oxy Sensor Circ Slow Response (bank2, Sensor2)
P0160 Oxy Sensor Circ No Activity Detected (bank2 Sens2)
P0161 Heated Oxy Sensor Heater Circ (bank2, Sensor2)
P0162 Oxy Sensor Circ (bank2, Sensor 3)
P0163 Oxy Sensor Circ Lo Voltage (bank2, Sensor 3)
P0164 Oxy Sensor Circ Hi Voltage (bank2, Sensor 3)
P0165 Oxy Sensor Circ Slow Response (bank2, Sensor 3)

P0166 Oxy Sensor Circ No Activity Detected (bank2 Sens3)
P0167 Heated Oxy Sensor Heater Circ (bank2, Sensor 3)
P0168 Eng Fuel Temp Hi
P0169 Incorrect Fuel ComPos
P0170 Fuel Trim Error (bank
P0171 Sys too Lean (bank
P0172 Sys too Rich (bank
P0173 Fuel Trim Error (bank2)
P0174 Sys too Lean (bank2)
P0175 Sys too Rich (bank2)
P0176 Fuel ComPos Sensor Circ Error
P0177 Fuel ComPos Sensor Circ Range/Perf
P0178 Fuel ComPos Sensor Circ Lo Input
P0179 Fuel ComPos Sensor Circ Hi Input
P0180 Fuel Temp SensorA Circ Error
P0181 Fuel Temp SensorA Circ Range/Perf
P0182 Fuel Temp SensorA Circ Lo Input
P0183 Fuel Temp SensorA Circ Hi Input
P0184 Fuel Temp SensorA Circ Interm
P0185 Fuel Temp SensorB Circ Error
P0186 Fuel Temp SensorB Circ Range/Perf
P0187 Fuel Temp SensorB Circ Lo Input
P0188 Fuel Temp SensorB Circ Hi Input
P0189 Fuel Temp SensorB Circ Interm
P0190 Fuel Rail Pres Sensor Circ Error
P0191 Fuel Rail Pres Sensor Circ Range/Perf
P0192 Fuel Rail Pres Sensor Circ Lo Input
P0193 Fuel Rail Pres Sensor Circ Hi Input
P0194 Fuel Rail Pres Sensor Circ Interm
P0195 Eng Oil Temp Sensor Error
P0196 Eng Oil Temp Sensor Range/Perf
P0197 Eng Oil Temp Sensor Circ Lo Input
P0198 Eng Oil Temp Sensor Circ Hi Input
P0199 Eng Oil Temp Sensor Interm
P0200 Injector Circ Error
P0201 Injector Circ Error-Cyl1
P0202 Injector Circ Error-Cyl2
P0203 Injector Circ Error-Cyl3
P0204 Injector Circ Error-Cyl4
P0205 Injector Circ Error-Cyl5
P0206 Injector Circ Error-Cyl6
P0207 Injector Circ Error-Cyl7
P0208 Injector Circ Error-Cyl8
P0209 Injector Circ Error-Cyl9
P0210 Injector Circ Error-Cyl10
P0211 Injector Circ Error-Cyl11
P0212 Injector Circ Error-Cyl12
P0213 Cold Start Injector 1 Error
P0214 Cold Start Injector 2 Error
P0215 Eng Shutoff Solenoid Error
P0216 Inj Timing Ctrl Circ Error
P0217 Eng Over temp Condition
P0218 Tran Over temp Condition
P0219 Throttle Sw B Circ Error/Eng Over speed Condition
P0220 Throttle Pos Sensor/Switch B Circ Error

 

P0221 Throttle Pos Sensor/Switch B Circ Range/Perf
P0222 Throttle Pos Sensor/Switch B Circ Lo Input
P0223 Throttle Pos Sensor/Switch B Circ Hi Input
P0224 Throttle Pos Sensor/Switch B Circ Interm
P0225 Throttle Pos Sensor/Switch C Circ Error
P0226 Throttle Pos Sensor/Switch C Circ Range/Perf
P0227 Throttle Pos Sensor/Switch C Circ Lo Input
P0228 Throttle Pos Sensor/Switch C Circ Hi Input
P0229 Throttle Pos Sensor/Switch C Circ Interm
P0230 Fuel Pump Relay Dvr Fail
P0231 Fuel Pump Relay Dvr Circ Fail On
P0232 Fuel Pump Relay Dvr Circ Fail Off
P0233 Fuel Pump Relay Dvr Interm
P0234 Eng Over boost Condition
P0235 Turbo Boost SensorA Circ Error
P0236 Turbo Boost SensorA Circ Perf
P0237 Turbo Boost SensorA Circ Lo Input
P0238 Turbo Boost SensorA Circ Hi Input
P0239 Turbo Boost SensorB Circ Error
P0240 Turbo Boost SensorB Circ Perf
P0241 Turbo Boost SensorB Circ Lo Input
P0242 Turbo Boost SensorB Circ Hi Input
P0243 Turbo Wastegate Solenoid A Error
P0244 Turbo Wastegate Solenoid A Range/Perf
P0245 Turbo Wastegate Solenoid A Lo
P0246 Turbo Wastegate Solenoid A Hi
P0247 Turbo Wastegate Solenoid A Error
P0248 Turbo Wastegate Solenoid A Range/Perf
P0249 Turbo Wastegate Solenoid A Lo
P0250 Turbo Wastegate Solenoid A Hi
P0251 Inj Pump Fuel Metering Ctrl A Error
P0252 Inj Pump Fuel Metering Ctrl A Range/Perf
P0253 Inj Pump Fuel Metering Ctrl A Lo
P0254 Inj Pump Fuel Metering Ctrl A Hi
P0255 Inj Pump Fuel Metering Ctrl A Interm
P0256 Inj Pump Fuel Metering Ctrl A Error
P0257 Inj Pump Fuel Metering Ctrl A Range/Perf
P0258 Inj Pump Fuel Metering Ctrl A Lo
P0259 Inj Pump Fuel Metering Ctrl A Hi
P0260 Inj Pump Fuel Metering Ctrl A Interm
P0261- Injector Circ Lo-Cyl1
P0262 Injector Circ Hi-Cyl1
P0263 Cyl1 Contribution/Balance Fault
P0264- Injector Circ Lo-Cyl2
P0265 Injector Circ Hi-Cyl2
P0266- Cyl2 Contribution/Balance Fault
P0267- Injector Circ Lo-Cyl3
P0268 Injector Circ Hi-Cyl3 t
P0269 Cyl3 Contribution/Balance Fault
P0270- Injector Circ Lo-Cyl4
P0271 Injector Circ Hi-Cyl4
P0272 Cyl4 Contribution/Balance Fault
P0273- Injector Circ Lo-Cyl5
P0274 Injector Circ Hi-Cyl5
P0275 Cyl5 Contribution/Balance Faul

 

 

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