P2800

Q: Can I keep driving with this code?

The vehicle is usually drivable for short distances, but the problem can worsen or affect emissions. Diagnose and repair as soon as practical. Use the Wrenchify app for a full diagnosis specific to your vehicle.

Transmission Range Sensor B Circuit

High severity

The TCM detects an invalid PRNDL signal pattern from transmission range sensor B. The selected gear position cannot be determined reliably from the B-channel.

Common causes

Range switch contact array failed
One of the most commonly reported causes for this code — check this first.
high
Typical part cost: $220-1100
Open or short in PRNDL wiring
A plausible cause — test and verify before replacing parts.
medium
Typical part cost: $220-1100
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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

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Frequently asked questions

What does P2800 mean?

P2800 means "Transmission Range Sensor B Circuit (PRNDL Input)". It is a generic OBD-II code that points to a fault in the auxiliary emission controls.

What are the most common causes of P2800?

range switch contact array failed; open or short in prndl wiring — 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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