P2511

ECM/PCM Power Relay Sense Circuit Intermittent

Severity

🔴 High

Can you drive?

Do not drive — repair immediately

Approx. repair cost

$6–33 (est.)

Symptoms

The engine stalls while driving
Problems starting the engine
Check Engine Light Flashing
Loss of engine power
Malfunctions of the car's electronic systems

Causes

Faulty ECM/PCM relay
Wiring harness damage
Poor contact in connectors
Short circuit in the circuit
Engine control module (ECM/PCM) malfunction

How to Fix

Check the status of the ECM/PCM relay
Inspect the wiring harness for damage
Check the contacts in the relay circuit connectors
Test the circuit for short circuit
Replace ECM/PCM relay if necessary

Related codes

P2509 P2510 P2512