P2DA2
Gear Shift Control Module B Supply Voltage High
P2DA2 is an OBD-II diagnostic trouble code meaning: Gear Shift Control Module B Supply Voltage High. Common causes: generator malfunction, problems with the voltage regulator. Estimated repair cost: $56–278.
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
Error P2DA2 by Vehicle Brand
FAQ
What does the P2DA2 code mean?
P2DA2 is an OBD-II diagnostic trouble code that indicates: Gear Shift Control Module B Supply Voltage High
What causes a P2DA2 error code?
The most common causes of P2DA2 include: Generator malfunction; Problems with the voltage regulator; Short circuit in the module power supply circuit; Wiring harness damage.
How do I fix a P2DA2 diagnostic trouble code?
To fix P2DA2: 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. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with P2DA2?
Limited driving only, diagnose soon
How much does it cost to fix P2DA2?
The estimated repair cost for P2DA2 is $56–278. Actual cost depends on your vehicle, location, and labor rates.
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