Error code

OBD2 P0002

OBD2P0002
Diagnostic Trouble Code· Standard OBD-II fault code read from the vehicle's onboard diagnostics.

What it means

Fuel Volume Regulator Control Circuit Range/Performance.

Severity

moderateCan drive, but may experience power loss or no start issues.

Summary

Code P0002 indicates an issue with the fuel volume regulator control circuit in the high-pressure side of the diesel fuel system, specifically related to the fuel volume control valve (FVCV).

Symptoms

  • Lack of power
  • No start condition

Common Causes

  • Faulty fuel volume control valve (FVCV)
  • Fault in the FVCV circuit
  • Problem with the PCM

Diagnosis

  1. Perform a visual inspection of the FVCV and connection.
  2. Test the FVCV solenoid using a current probe or multimeter to check for proper resistance values.
  3. Check the circuit by disconnecting the FVCV connector and testing power supply and PCM grounding.

Fixes

  • Replace faulty fuel volume control valve (FVCV)

FAQ

What does P0002 mean?

P0002 indicates a problem with the fuel volume regulator control circuit, specifically related to the FVCV.

How do I diagnose P0002?

Diagnose by visually inspecting and testing the FVCV solenoid, then checking the power supply and PCM grounding in the circuit.

Not affiliated with OBD2. Answer summarized from the manufacturer's manual linked above; consult that source for the authoritative procedure.