C00A2

Driveline Control Module Power Transfer Unit Control Circuit Driver

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

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
Scan the control unit for additional errors
Replace PTU module if necessary

Related codes

C00A1 C00A3 P0700