OBD Guide

P2511

ECM/PCM Power Relay Sense Circuit Intermittent

P2511 is an OBD-II diagnostic trouble code meaning: ECM/PCM Power Relay Sense Circuit Intermittent. Common causes: faulty ecm/pcm relay, wiring harness damage. Estimated repair cost: $6โ€“33.

Severity
๐Ÿ”ด High
Can you drive?
Do not drive โ€” repair immediately
Approx. repair cost
$6โ€“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

  1. Check the status of the ECM/PCM relay
  2. Inspect the wiring harness for damage
  3. Check the contacts in the relay circuit connectors
  4. Test the circuit for short circuit
  5. Replace ECM/PCM relay if necessary

Related codes

Error P2511 by Vehicle Brand

FAQ

What does the P2511 code mean?

P2511 is an OBD-II diagnostic trouble code that indicates: ECM/PCM Power Relay Sense Circuit Intermittent

What causes a P2511 error code?

The most common causes of P2511 include: Faulty ECM/PCM relay; Wiring harness damage; Poor contact in connectors; Short circuit in the circuit.

How do I fix a P2511 diagnostic trouble code?

To fix P2511: Check the status of the ECM/PCM relay. Inspect the wiring harness for damage. Check the contacts in the relay circuit connectors. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P2511?

Do not drive โ€” repair immediately

How much does it cost to fix P2511?

The estimated repair cost for P2511 is $6โ€“33. Actual cost depends on your vehicle, location, and labor rates.

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