U013C

Lost Communication With Accelerator Pedal Module

Severity

🔴 High

Can you drive?

Limited driving only, diagnose soon

Approx. repair cost

$33–167 (est.)

Symptoms

Check Engine light comes on
Loss of engine power
Unstable engine operation at idle
The car goes into emergency mode
The gas pedal does not respond or responds with a delay

Causes

Open or short circuit in wiring harness
Accelerator pedal module malfunction
Connector problems or contact corrosion
Engine ECU malfunction
Problems with module power or grounding

How to Fix

Check the integrity of the wiring harness to the pedal module
Inspect connectors for corrosion or damage
Check the supply voltage of the pedal module
Scan the pedal module for errors
If necessary, replace the accelerator pedal module

Related codes

U0121 U0131 U0140