P07B3

Transmission Park Position Sensor/Switch A Circuit Low

Severity

⚠️ Medium

Can you drive?

Do not drive — repair immediately

Approx. repair cost

$17–67 (est.)

Symptoms

The car does not start (the starter does not work)
Incorrect display of selector position on the instrument panel
Transmission position warning signal
Problems switching from P mode
Activation of automatic transmission emergency mode

Causes

Parking position sensor malfunction
Open or short circuit in the sensor circuit
Oxidation or damage to connectors
Problems with power supply or sensor ground
Mechanical damage to the selector mechanism

How to Fix

Check the integrity of the sensor wiring and connectors
Check the voltage and resistance of the sensor according to the manual
Clean connector contacts
If necessary, replace the parking position sensor
Adjust the gear shift mechanism (if required)

Related codes

P07B4 P0705 P0706