P2803
Transmission Range Sensor B Circuit High
P2803 is an OBD-II diagnostic trouble code meaning: Transmission Range Sensor B Circuit High. Common causes: gear range sensor b malfunction, open or short circuit in the sensor circuit. Estimated repair cost: $17–56.
Symptoms
- Check Engine light comes on
- Problems starting the engine
- Incorrect gear shifting
- The transmission goes into emergency mode
- Power Loss
Causes
- Gear Range Sensor B Malfunction
- Open or short circuit in the sensor circuit
- Poor contact in connectors
- Wiring harness damage
- Transmission control unit malfunction
How to Fix
- Check the condition of the gear range sensor B
- Check the integrity of the sensor circuit
- Inspect connectors and contacts for corrosion or damage
- Check wiring harness for damage
- If necessary, replace the sensor or repair the circuit
Related codes
Error P2803 by Vehicle Brand
FAQ
What does the P2803 code mean?
P2803 is an OBD-II diagnostic trouble code that indicates: Transmission Range Sensor B Circuit High
What causes a P2803 error code?
The most common causes of P2803 include: Gear Range Sensor B Malfunction; Open or short circuit in the sensor circuit; Poor contact in connectors; Wiring harness damage.
How do I fix a P2803 diagnostic trouble code?
To fix P2803: Check the condition of the gear range sensor B. Check the integrity of the sensor circuit. Inspect connectors and contacts for corrosion or damage. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with P2803?
Limited driving only, diagnose soon
How much does it cost to fix P2803?
The estimated repair cost for P2803 is $17–56. Actual cost depends on your vehicle, location, and labor rates.
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