OBD Guide

C00A2

Driveline Control Module Power Transfer Unit Control Circuit Driver

C00A2 is an OBD-II diagnostic trouble code meaning: Driveline Control Module Power Transfer Unit Control Circuit Driver. Common causes: open or short circuit in ptu wiring harness, ptu solenoid malfunction. Estimated repair cost: $167–556.

Severity
⚠️ Medium
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$167–556 (est.)

Symptoms

  • Switching to emergency mode
  • Loss of all-wheel drive
  • Illumination of the fault warning lamp (Check Engine)
  • Unstable transmission operation

Causes

  • Open or short circuit in PTU wiring harness
  • PTU solenoid malfunction
  • Problems with power or grounding of the PTU module
  • PTU module internal fault
  • Software error in the control unit

How to Fix

  1. Check the integrity of the PTU wiring harness
  2. Check resistance and operation of PTU solenoid
  3. Check the supply voltage and ground at the PTU connector
  4. Scan the control unit for additional errors
  5. Replace PTU module if necessary

Related codes

Error C00A2 by Vehicle Brand

FAQ

What does the C00A2 code mean?

C00A2 is an OBD-II diagnostic trouble code that indicates: Driveline Control Module Power Transfer Unit Control Circuit Driver

What causes a C00A2 error code?

The most common causes of C00A2 include: Open or short circuit in PTU wiring harness; PTU solenoid malfunction; Problems with power or grounding of the PTU module; PTU module internal fault.

How do I fix a C00A2 diagnostic trouble code?

To fix C00A2: Check the integrity of the PTU wiring harness. Check resistance and operation of PTU solenoid. Check the supply voltage and ground at the PTU connector. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with C00A2?

Limited driving only, diagnose soon

How much does it cost to fix C00A2?

The estimated repair cost for C00A2 is $167–556. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat