P27EC

Transmission Range Control A Position Sensor/Switch Circuit Range/Performance

Severity

⚠️ Medium

Can you drive?

Yes, but get it checked soon

Approx. repair cost

$17–67 (est.)

Symptoms

Incorrect gear shifting
The car goes into emergency mode
Check Engine Light Is On
Difficulty starting the engine
Gear selector does not work correctly

Causes

Gear selector position sensor malfunction
Open or short circuit in the sensor circuit
Poor contact in sensor connectors
Mechanical damage to the sensor
Transmission control module (TCM) problems

How to Fix

Check the gear selector position sensor for damage
Check the integrity of the sensor circuit and connectors
Clean sensor connector contacts
Replace the gear selector position sensor if necessary
Check and, if necessary, reflash the transmission control module (TCM)

Related codes

P27EB P27ED P27EE