P091D
Gear Shift Position Circuit B High
P091D is an OBD-II diagnostic trouble code meaning: Gear Shift Position Circuit B High. Common causes: short circuit to power in the sensor circuit, shift position sensor b malfunction. Estimated repair cost: $17–89.
Symptoms
- Incorrect gear shifting
- Check engine light comes on
- Transmission transition to emergency mode
- Difficulty engaging certain gears
- Gear shift lever does not work correctly
Causes
- Short circuit to power in the sensor circuit
- Shift Position Sensor B Malfunction
- Damage to wiring or connectors
- Transmission control module (TCM) problems
- Corrosion of contacts in the circuit
How to Fix
- Check the integrity of the wiring and connectors in the circuit
- Check the voltage and resistance in the sensor circuit
- Check the operation of the gear shift position sensor B
- If necessary, replace the sensor or repair the wiring
- Check and, if necessary, reflash the transmission control unit
Related codes
Error P091D by Vehicle Brand
FAQ
What does the P091D code mean?
P091D is an OBD-II diagnostic trouble code that indicates: Gear Shift Position Circuit B High
What causes a P091D error code?
The most common causes of P091D include: Short circuit to power in the sensor circuit; Shift Position Sensor B Malfunction; Damage to wiring or connectors; Transmission control module (TCM) problems.
How do I fix a P091D diagnostic trouble code?
To fix P091D: Check the integrity of the wiring and connectors in the circuit. Check the voltage and resistance in the sensor circuit. Check the operation of the gear shift position sensor B. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with P091D?
Limited driving only, diagnose soon
How much does it cost to fix P091D?
The estimated repair cost for P091D is $17–89. Actual cost depends on your vehicle, location, and labor rates.
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