P0022 – Meaning, Causes, Symptoms, & Fixes

Code P0022 Definition

“A” Camshaft Position – Timing Over Retarded (Bank 2)

What Does P0022 Mean?

The variable valve timing system increases fuel economy and engine performance by regulating the timing of both the intake and exhaust valves. The camshaft is adjusted by the ECM through the use of the oil control valve (OCV). The P0012 code is set when the ECM detects the camshaft timing on bank 2 is more retarded than what it has been set to be.

P0022 Symptoms

  • Check Engine Light
  • Rough engine performance
  • Lower fuel economy

P0022 Causes

  • Malfunctioning camshaft timing
  • Short in intake timing control/oil control circuit
  • Faulty timing valve control solenoid
  • Faulty variable valve timing (VVT)
  • Faulty oil control valve (OCV)
  • Engine oil too low
  • Dirty engine oil

Code P0022 Severity – Severe

This trouble code harshly impacts the drivability of your vehicle. The most common problems consist of increased engine stalling, engine rough idle, and lowered fuel economy. Continuing to drive the vehicle in this condition can cause increased damage to the camshaft/timing valve(s) which could cause damage to the engine over time.

Code P0022 Common Diagnosis Mistakes

Prematurely replacing the camshaft oil control valve when the issue can be mitigated by changing the oil and filter to your vehicle’s manufacturer specifications.

P0022 Diagnosis

  • Tools Needed to Diagnose:
    • FIXD

Difficulty of Diagnosis and Repair

  1. Check to see if there are any other codes along with P0022 and clear your Check Engine Light with FIXD.
  2. Check the freeze frame data in an attempt to pinpoint the issue.
  3. Monitor the timing chain alignment for errors in timing.
  4. Change the oil and filter, adjust to manufacturer specifications.
  5. Visually inspect the wiring around camshaft oil control solenoid for disconnection.
  6. If any flaws detected in wiring or camshaft, consider replacing the faulty camshaft oil control valve (bank 2).

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