P280A
Transmission Range Sensor A Circuit Not Learned
What it means
P280A means Transmission Range Sensor A Circuit Not Learned.
Where it lives
For P280A, the sensor sits on the circuit this code reports. The description of P280A reports a fault at the sensor.
Check these first
- A transmission range sensor A that has never been relearned
- A failed transmission range sensor A
- Low battery voltage during the relearn
- An open or short in the transmission range sensor A circuit
What to do next
- Read transmission range sensor A state on a scan tool
- Check battery voltage before the relearn
- Run the transmission range sensor A relearn procedure
- Test the transmission range sensor A circuit for open and short faults
- Replace transmission range sensor A if the relearn fails
- Clear the code and retest
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Updated
Generic SAE J2012 definition. Last updated 2026-10-10.