P27F2

Transmission Range Control B Position Sensor/Switch Circuit High

Severity

⚠️ Medium

Can you drive?

Limited driving only, diagnose soon

Approx. repair cost

$17–89 (est.)

Symptoms

Incorrect gear shifting
Check Engine Light Illuminates
The transmission goes into emergency mode
Inability to start the engine
Floating engine speed

Causes

Transmission Range Position Sensor B Malfunction
Open or short circuit in the sensor circuit
Poor contact in the sensor connector
Transmission Control Module (TCM) Problems
Corroded or damaged wiring

How to Fix

Check the integrity of the sensor circuit
Check sensor resistance and voltage
Inspect connectors and wiring for damage
If necessary, replace the position sensor
Check and, if necessary, replace the transmission control module

Related codes

P27F0 P27F1 P27F3