P0001 to P0100 Diagnostic Trouble Codes Index

Fuel and Air Metering, Auxiliary Emission Controls, and Circuit Faults.

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Select any DTC code from the list below to read the full diagnostic procedure, common causes, symptoms, and multimeter testing steps for your vehicle.

• P0001 - Fuel Volume Regulator Control Circuit / Open
• P0035 - Turbocharger/Supercharger Bypass Control Circuit High
• P0037 - HO2S Heater Control Circuit Low (Bank 1, Sensor 2)
• P0039 - Turbocharger Bypass Valve Control Circuit Range/Performance