P2800
Transmission Range Sensor B Circuit (PRNDL Input)
P2800 is an OBD-II diagnostic trouble code meaning: Transmission Range Sensor B Circuit (PRNDL Input). Common causes: open or short circuit in the sensor circuit, gear range sensor malfunction. Estimated repair cost: $17–56.
Symptoms
- Incorrect display of selector position on the dashboard
- Gear shifting problems
- Check Engine light comes on
- The car may not start in some selector positions
- The gearbox may go into emergency mode
Causes
- Open or short circuit in the sensor circuit
- Gear range sensor malfunction
- Oxidized or damaged connectors
- Low transmission fluid level
- Mechanical problems in the gearbox
How to Fix
- Check the level and condition of the transmission fluid
- Inspect the sensor wiring and connectors for damage
- Check sensor resistance according to manufacturer specifications
- If necessary, replace the gear range sensor
- Reset the error code and check if it returns
Related codes
Error P2800 by Vehicle Brand
FAQ
What does the P2800 code mean?
P2800 is an OBD-II diagnostic trouble code that indicates: Transmission Range Sensor B Circuit (PRNDL Input)
What causes a P2800 error code?
The most common causes of P2800 include: Open or short circuit in the sensor circuit; Gear range sensor malfunction; Oxidized or damaged connectors; Low transmission fluid level.
How do I fix a P2800 diagnostic trouble code?
To fix P2800: Check the level and condition of the transmission fluid. Inspect the sensor wiring and connectors for damage. Check sensor resistance according to manufacturer specifications. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with P2800?
Limited driving only, diagnose soon
How much does it cost to fix P2800?
The estimated repair cost for P2800 is $17–56. Actual cost depends on your vehicle, location, and labor rates.
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