P07BD

Transmission Park Position Sensor/Switch B Circuit Intermittent/Erratic

Severity

⚠️ Medium

Can you drive?

Yes, but get it checked soon

Approx. repair cost

$28–89 (est.)

Symptoms

Incorrect detection of gear lever position
Problems with starting the engine in certain modes
Gear indicator flashing on the instrument panel
Errors when shifting gears
Difficulty exiting parking mode

Causes

Open or short circuit in the sensor circuit
Oxidation of sensor connector contacts
Malfunction of the position sensor itself
Damaged wiring or poor contact
Problems with the transmission control unit

How to Fix

Check the condition of the sensor connector and contacts
Diagnose the sensor circuit for open and short circuits
Check sensor resistance to specifications
If necessary, replace the parking position sensor
Check control unit software

Related codes

P07BE P07BF P0700