Error code

OBD2 P0658

OBD2P0658
Diagnostic Trouble Code· Standard OBD-II fault code read from the vehicle's onboard diagnostics.

What it means

Actuator Supply Voltage 'A' Circuit Low.

Severity

moderateCan drive, but shifting issues may occur.

Summary

P0658 indicates that there is a low supply voltage condition in the circuit for an actuator, typically related to automatic transmission or differential systems.

Symptoms

  • Transmission shifting malfunctions
  • Delayed (or no) transmission engagement
  • Failure of the transmission to switch between all-wheel and two-wheel drive modes
  • Lack of front differential engagement

Common Causes

  • Defective or blown fuses and fusible links
  • Faulty system power relay
  • Bad actuator
  • Open or shorted circuits and/or connectors

Diagnosis

  1. Check system fuses and fusible links under full load.
  2. Inspect actuator wiring harnesses and connectors for damage or burn marks.
  3. Use a diagnostic scanner to retrieve all stored trouble codes.
  4. Test voltage and ground signals at the actuator connector.

Fixes

  • Replace blown fuses, damaged wiring, or faulty relays as needed.
  • Repair or replace the affected actuator if it is defective.

FAQ

What should I do if my car has P0658?

Check fuses, wiring, and relays first. If issues persist, consult a professional mechanic.

Is it safe to drive with P0658?

It is generally drivable but may experience shifting problems or other transmission-related issues.

View source

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

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