P091C

Gear Shift Position Circuit B Low

Severity

🔴 High

Can you drive?

Limited driving only, diagnose soon

Approx. repair cost

$17–89 (est.)

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

P091A P091B P091D