P091C
Gear Shift Position Circuit B Low
P091C is an OBD-II diagnostic trouble code meaning: Gear Shift Position Circuit B Low. Common causes: shift position sensor b malfunction, open or short circuit in the sensor circuit. Estimated repair cost: $17–89.
Symptoms
- Incorrect gear shifting
- Transmission of the gearbox into emergency mode
- Check Engine Light Illuminates
- Loss of engine power
- Unexpected jerks when shifting gears
Causes
- Shift Position Sensor B Malfunction
- Open or short circuit in the sensor circuit
- Poor contact in sensor connectors
- Wiring harness damage
- Transmission ECU malfunction
How to Fix
- Check the condition of the gear shift position sensor B
- Check the integrity of the sensor circuit and the quality of connections
- Check sensor resistance according to manufacturer specifications
- If necessary, replace the sensor or repair the circuit
- Reset the error code and check if it returns
Related codes
Error P091C by Vehicle Brand
FAQ
What does the P091C code mean?
P091C is an OBD-II diagnostic trouble code that indicates: Gear Shift Position Circuit B Low
What causes a P091C error code?
The most common causes of P091C include: Shift Position Sensor B Malfunction; Open or short circuit in the sensor circuit; Poor contact in sensor connectors; Wiring harness damage.
How do I fix a P091C diagnostic trouble code?
To fix P091C: Check the condition of the gear shift position sensor B. Check the integrity of the sensor circuit and the quality of connections. Check sensor resistance according to manufacturer specifications. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with P091C?
Limited driving only, diagnose soon
How much does it cost to fix P091C?
The estimated repair cost for P091C is $17–89. Actual cost depends on your vehicle, location, and labor rates.
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