P280A
Transmission Range Sensor A Circuit Not Learned
P280A is an OBD-II diagnostic trouble code meaning: Transmission Range Sensor A Circuit Not Learned. Common causes: gear range sensor a fault, damage to the sensor wiring harness. Estimated repair cost: $17–56.
Symptoms
- Incorrect gear shifting
- Check Engine light comes on
- The gearbox goes into emergency mode
- Difficulty starting the engine
- Inability to change gears
Causes
- Gear range sensor A fault
- Damage to the sensor wiring harness
- Poor contact in sensor connectors
- Problems with the transmission control unit
- The sensor training procedure has not been completed
How to Fix
- Check the condition of the gear range sensor A
- Inspect the sensor wiring harness and connectors
- Check the voltage and resistance of the sensor circuit
- Perform the sensor training procedure using diagnostic equipment
- If necessary, replace the sensor or repair the wiring
Related codes
Error P280A by Vehicle Brand
FAQ
What does the P280A code mean?
P280A is an OBD-II diagnostic trouble code that indicates: Transmission Range Sensor A Circuit Not Learned
What causes a P280A error code?
The most common causes of P280A include: Gear range sensor A fault; Damage to the sensor wiring harness; Poor contact in sensor connectors; Problems with the transmission control unit.
How do I fix a P280A diagnostic trouble code?
To fix P280A: Check the condition of the gear range sensor A. Inspect the sensor wiring harness and connectors. Check the voltage and resistance of the sensor circuit. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with P280A?
Do not drive — repair immediately
How much does it cost to fix P280A?
The estimated repair cost for P280A is $17–56. Actual cost depends on your vehicle, location, and labor rates.
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