P2805
Transmission Range Sensor A/B Correlation
The two range sensor channels A and B do not agree on the same gear selector position. Plausibility check fails after debounce.
The two range sensor channels A and B do not agree on the same gear selector position. Plausibility check fails after debounce.
Common causes
- high
One sensor mechanically misaligned
One of the most commonly reported causes for this code — check this first.
Typical part cost: $220-990
- medium
Aged switch contacts on one channel
A plausible cause — test and verify before replacing parts.
Typical part cost: $220-990
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First things to check
- 1Confirm the code with a scan tool and check for additional related codes.
- 2Inspect the relevant sensors, wiring, and connectors for damage or corrosion.
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Related codes
See related trouble codes
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Frequently asked questions
What does P2805 mean?
P2805 means "Transmission Range Sensor A/B Correlation". It is a generic OBD-II code that points to a fault in the auxiliary emission controls.
What are the most common causes of P2805?
one sensor mechanically misaligned; aged switch contacts on one channel — these are the most commonly reported causes. Verify with a proper diagnosis before replacing parts, or use the Wrenchify app for a vehicle-specific diagnosis.
Can I keep driving with this code?
This code can put the vehicle into limp or reduced-power mode. Avoid extended driving and have the vehicle diagnosed promptly. Use the Wrenchify app for a full diagnosis specific to your vehicle.
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