THE CODE DIRECTORY
Diagnostic code references — Page 7.
Browse canonical reference entries. Each definition keeps its own source and vehicle-applicability limits.
Generic OBD-II
C062D
ABS Valves Range/Performance
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Generic OBD-II
C062E
Active Air Dam Supply Voltage Circuit Low
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Generic OBD-II
C062F
Active Air Dam Supply Voltage Circuit High
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Generic OBD-II
C0630
Active Air Dam Stuck
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Generic OBD-II
C0631
Front Axle Disconnect Actuator
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Generic OBD-II
C0632
Front Axle Disconnect Control Circuit
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Generic OBD-II
C0633
Front Half Shaft Speed Sensor
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Generic OBD-II
C0634
Brake Pressure Sensor A/B Correlation
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Generic OBD-II
C0635
Brake Pressure Sensor G Circuit/Open
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Generic OBD-II
C0636
Brake Pressure Sensor G Circuit High
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Generic OBD-II
C0637
Brake Pressure Sensor G Circuit Low
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Generic OBD-II
C0638
Brake Pressure Sensor G Range/Performance
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Generic OBD-II
C0639
Brake Pressure Sensor H Circuit/Open
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Generic OBD-II
C063A
Brake Pressure Sensor H Circuit High
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Generic OBD-II
C063B
Brake Pressure Sensor H Circuit Low
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Generic OBD-II
C063C
Brake Pressure Sensor H Range/Performance
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Generic OBD-II
C063D
Brake Pressure Sensor J Circuit/Open
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Generic OBD-II
C063E
Brake Pressure Sensor J Circuit High
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Generic OBD-II
C063F
Brake Pressure Sensor J Circuit Low
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Generic OBD-II
C0640
Brake Pressure Sensor J Range/Performance
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Generic OBD-II
C0641
Brake Pressure Sensor K Circuit/Open
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Generic OBD-II
C0642
Brake Pressure Sensor K Circuit High
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Generic OBD-II
C0643
Brake Pressure Sensor K Circuit Low
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Generic OBD-II
C0644
Brake Pressure Sensor K Range/Performance
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Generic OBD-II
C0645
Brake Pressure Sensor L Circuit/Open
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Generic OBD-II
C0646
Brake Pressure Sensor L Circuit High
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Generic OBD-II
C0647
Brake Pressure Sensor L Circuit Low
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Generic OBD-II
C0648
Brake Pressure Sensor L Range/Performance
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Generic OBD-II
C0649
Brake Pressure Sensor M Circuit/Open
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Generic OBD-II
C064A
Brake Pressure Sensor M Circuit High
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Generic OBD-II
C064B
Brake Pressure Sensor M Circuit Low
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Generic OBD-II
C064C
Brake Pressure Sensor M Range/Performance
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Generic OBD-II
C064D
Brake Pressure Sensor N Circuit/Open
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Generic OBD-II
C064E
Brake Pressure Sensor N Circuit High
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Generic OBD-II
C064F
Brake Pressure Sensor N Circuit Low
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Generic OBD-II
C0650
Brake Pressure Sensor N Range/Performance
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Generic OBD-II
C0651
Left Front Wheel Speed Sensor B Circuit/Open
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Generic OBD-II
C0652
Left Front Wheel Speed Sensor B Range/Performance
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Generic OBD-II
C0653
Left Front Wheel Speed Sensor B Circuit Low
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Generic OBD-II
C0654
Left Front Wheel Speed Sensor B Circuit High
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Generic OBD-II
C0655
Left Front Wheel Speed Sensor B Intermittent/Erratic
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Generic OBD-II
C0656
Left Front Wheel Speed Sensor B Correlation
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Generic OBD-II
C0657
Left Front Wheel Speed Sensor B Incorrect Component Installed
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Generic OBD-II
C0658
Right Front Wheel Speed Sensor B Circuit/Open
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Generic OBD-II
C0659
Right Front Wheel Speed Sensor B Range/Performance
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Generic OBD-II
C065A
Right Front Wheel Speed Sensor B Circuit Low
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Generic OBD-II
C065B
Right Front Wheel Speed Sensor BCircuit High
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Generic OBD-II
C065C
Right Front Wheel Speed Sensor B Intermittent/Erratic
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Generic OBD-II
C065D
Right Front Wheel Speed Sensor B Correlation
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Generic OBD-II
C065E
Right Front Wheel Speed Sensor B Incorrect Component Installed
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Generic OBD-II
C065F
Left Rear Wheel Speed Sensor B Circuit/Open
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Generic OBD-II
C0660
Left Rear Wheel Speed Sensor B Range/Performance
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Generic OBD-II
C0661
Left Rear Wheel Speed Sensor B Circuit Low
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Generic OBD-II
C0662
Left Rear Wheel Speed Sensor B Circuit High
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Generic OBD-II
C0663
Left Rear Wheel Speed Sensor B Intermittent/Erratic
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Generic OBD-II
C0664
Left Rear Wheel Speed Sensor B Correlation
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Generic OBD-II
C0665
Left Rear Wheel Speed Sensor B Incorrect Component Installed
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Generic OBD-II
C0666
Right Rear Wheel Speed Sensor B Circuit/Open
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Generic OBD-II
C0667
Right Rear Wheel Speed Sensor B Range/Performance
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Generic OBD-II
C0668
Right Rear Wheel Speed Sensor B Circuit Low
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Generic OBD-II
C0669
Right Rear Wheel Speed Sensor B Circuit High
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Generic OBD-II
C066A
Right Rear Wheel Speed Sensor B Intermittent/Erratic
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Generic OBD-II
C066B
Right Rear Wheel Speed Sensor B Correlation
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Generic OBD-II
C066C
Right Rear Wheel Speed Sensor B Incorrect Component Installed
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Generic OBD-II
C066D
Service/Park Brake Chamber Pressure Sensor
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Generic OBD-II
C066E
Service/Park Brake Chamber Pressure Too High
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Generic OBD-II
C066F
Service/Park Brake Chamber Pressure Too Low
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Generic OBD-II
P0001
Fuel Volume Regulator A Control Circuit/Open
PowertrainRead the code
Generic OBD-II
P0002
Fuel Volume Regulator A Control Circuit Performance
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Generic OBD-II
P0003
Fuel Volume Regulator A Control Circuit Low
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Generic OBD-II
P0004
Fuel Volume Regulator A Control Circuit High
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Generic OBD-II
P0005
Fuel Shutoff Valve A Control Circuit/Open
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Generic OBD-II
P0006
Fuel Shutoff Valve A Control Circuit Low
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Generic OBD-II
P0007
Fuel Shutoff Valve A Control Circuit High
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Generic OBD-II
P0008
Engine Position System Performance Bank 1
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Generic OBD-II
P0009
Engine Position System Performance Bank 2
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Generic OBD-II
P000A
A Camshaft Position Slow Response Bank 1
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Generic OBD-II
P000B
B Camshaft Position Slow Response Bank 1
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Generic OBD-II
P000C
A Camshaft Position Slow Response Bank 2
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Generic OBD-II
P000D
B Camshaft Position Slow Response Bank 2
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Generic OBD-II
P000E
Fuel Volume Regulator Control Exceeded Learning Limit
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Generic OBD-II
P000F
Fuel System Over Pressure Relief Valve Activated
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Generic OBD-II
P0010
A Camshaft Position Actuator A Control Circuit/Open Bank 1
PowertrainRead the code
Generic OBD-II
P0011
A Camshaft Position - Timing Over-Advanced or System Performance Bank 1
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Generic OBD-II
P0012
A Camshaft Position - Timing Over-Retarded Bank 1
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Generic OBD-II
P0013
B Camshaft Position Actuator A Control Circuit/Open Bank 1
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Generic OBD-II
P0014
B Camshaft Position - Timing Over-Advanced or System Performance Bank 1
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Generic OBD-II
P0015
B Camshaft Position - Timing Over-Retarded Bank 1
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Generic OBD-II
P0016
Crankshaft Position - Camshaft Position Correlation Bank 1 Sensor A
PowertrainRead the code
Generic OBD-II
P0017
Crankshaft Position - Camshaft Position Correlation Bank 1 Sensor B
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Generic OBD-II
P0018
Crankshaft Position - Camshaft Position Correlation Bank 2 Sensor A
PowertrainRead the code
Generic OBD-II
P0019
Crankshaft Position - Camshaft Position Correlation Bank 2 Sensor B
PowertrainRead the code
Generic OBD-II
P001A
A Camshaft Profile Actuator A Control Circuit/Open Bank 1
PowertrainRead the code
Generic OBD-II
P001B
A Camshaft Profile Actuator A Control Circuit Low Bank 1
PowertrainRead the code
Generic OBD-II
P001C
A Camshaft Profile Actuator A Control Circuit High Bank 1
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Generic OBD-II
P001D
A Camshaft Profile Actuator A Control Circuit/Open Bank 2
PowertrainRead the code
Generic OBD-II
P001E
A Camshaft Profile Actuator A Control Circuit Low Bank 2
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Generic OBD-II
P001F
A Camshaft Profile Actuator A Control Circuit High Bank 2
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Generic OBD-II
P0020
A Camshaft Position Actuator A Control Circuit/Open Bank 2
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Generic OBD-II
P0021
A Camshaft Position - Timing Over-Advanced or System Performance Bank 2
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These are code references, not a list of confirmed faults on every vehicle. Read the source and applicability notes, then match the exact vehicle, year, engine and scan report.