P091B
Gear Shift Position Circuit B Range/Performance
P091B is an OBD-II diagnostic trouble code meaning: Gear Shift Position Circuit B Range/Performance. Common causes: gear shift position sensor malfunction, open or short circuit in wiring. Estimated repair cost: $17–56.
Symptoms
- Incorrect display of the current gear on the instrument panel
- Difficulty shifting gears
- The gearbox goes into emergency mode
- Check engine light comes on
- Loss of power or jerking when shifting
Causes
- Gear shift position sensor malfunction
- Open or short circuit in wiring
- Poor contact in sensor circuit connectors
- Problems with the transmission control module
- Mechanical damage to the shift lever or its fastenings
How to Fix
- Check the condition of the gear shift position sensor
- Inspect the integrity of the wiring and connectors in the sensor circuit
- Check the power supply and signal voltages at the sensor
- Calibrate the position sensor (if provided)
- If necessary, replace the gearshift position sensor
Related codes
Error P091B by Vehicle Brand
FAQ
What does the P091B code mean?
P091B is an OBD-II diagnostic trouble code that indicates: Gear Shift Position Circuit B Range/Performance
What causes a P091B error code?
The most common causes of P091B include: Gear shift position sensor malfunction; Open or short circuit in wiring; Poor contact in sensor circuit connectors; Problems with the transmission control module.
How do I fix a P091B diagnostic trouble code?
To fix P091B: Check the condition of the gear shift position sensor. Inspect the integrity of the wiring and connectors in the sensor circuit. Check the power supply and signal voltages at the sensor. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with P091B?
Limited driving only, diagnose soon
How much does it cost to fix P091B?
The estimated repair cost for P091B is $17–56. Actual cost depends on your vehicle, location, and labor rates.
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