P2DA2

Gear Shift Control Module B Supply Voltage High

Severity

🔴 High

Can you drive?

Limited driving only, diagnose soon

Approx. repair cost

$56–278 (est.)

Symptoms

Jerks when shifting gears
The gearbox goes into emergency mode
Check Engine light comes on
Unstable engine operation
Problems starting the engine

Causes

Generator malfunction
Problems with the voltage regulator
Short circuit in the module power supply circuit
Wiring harness damage
Shift control module malfunction

How to Fix

Check the voltage in the on-board network
Diagnose the operation of the generator and voltage regulator
Check the integrity of the wiring harness to the module
Measure the resistance in the power circuit
Replace the shift control module if necessary.

Related codes

P2DA1 P2DA3 P2DA0