P273D
Gear Shift Control Module A Supply Voltage High
P273D is an OBD-II diagnostic trouble code meaning: Gear Shift Control Module A Supply Voltage High. Common causes: generator malfunction, problems with the voltage regulator. Estimated repair cost: $56–167.
Symptoms
- Incorrect gear shifting
- Delays when shifting gears
- Check Engine Light Is On
- The car goes into emergency mode
Causes
- Generator malfunction
- Problems with the voltage regulator
- Short circuit in TCM power supply
- Wiring harness damage
- Shift control module malfunction
How to Fix
- Check generator voltage
- Check voltage regulator
- Inspect the wiring harness for damage
- Check the power supply circuit of the shift control module
- Replace the shift control module if necessary.
Related codes
Error P273D by Vehicle Brand
FAQ
What does the P273D code mean?
P273D is an OBD-II diagnostic trouble code that indicates: Gear Shift Control Module A Supply Voltage High
What causes a P273D error code?
The most common causes of P273D include: Generator malfunction; Problems with the voltage regulator; Short circuit in TCM power supply; Wiring harness damage.
How do I fix a P273D diagnostic trouble code?
To fix P273D: Check generator voltage. Check voltage regulator. Inspect the wiring harness for damage. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with P273D?
Do not drive — repair immediately
How much does it cost to fix P273D?
The estimated repair cost for P273D is $56–167. Actual cost depends on your vehicle, location, and labor rates.
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