P212D

Throttle Position Sensor/Switch G Circuit High

Severity

⚠️ Medium

Can you drive?

Limited driving only, diagnose soon

Approx. repair cost

$17–56 (est.)

Symptoms

Unstable engine idling
Dips during acceleration
Increased fuel consumption
Check Engine Light Illuminates
Reduced engine power

Causes

Throttle position sensor G malfunction
Open or short circuit in the sensor circuit
Poor contact in the sensor connector
Sensor power problems
Engine ECU malfunction

How to Fix

Check the integrity of the wiring and connectors of the sensor
Measure resistance and voltage at the sensor
Clean the contacts of the sensor connector
Replace throttle position sensor G if necessary
Check and, if necessary, reflash the ECU

Related codes

P2122 P2127 P2138