P07BC

Transmission Park Position Sensor/Switch B Circuit Performance High

Severity

⚠️ Medium

Can you drive?

Limited driving only, diagnose soon

Approx. repair cost

$17–56 (est.)

Symptoms

Check Engine light comes on
Gear shifting problems
The car does not recognize the parking position
Difficulty starting the engine
Incorrect display of selector position on the instrument panel

Causes

Broken or damaged sensor wiring
Parking position sensor B malfunction
Poor contact in the sensor connector
Contact corrosion
Transmission control module (TCM) problems

How to Fix

Check the integrity of the sensor wiring and connectors
Clean contacts from corrosion
Check sensor resistance
Replace parking position sensor B if necessary
Check and, if necessary, reflash the transmission control unit

Related codes

P07BD P07BB P07BA