OBD Guide

P2A33

AFCM Power Relay Control Circuit Low

P2A33 is an OBD-II diagnostic trouble code meaning: AFCM Power Relay Control Circuit Low. Common causes: faulty afcm relay, open or short circuit in control circuit. Estimated repair cost: $6–22.

Severity
⚠️ Medium
Can you drive?
Yes, but get it checked soon
Approx. repair cost
$6–22 (est.)

Symptoms

  • Unstable engine operation
  • Misfires
  • Difficulty starting the engine
  • Increased fuel consumption
  • Check Engine Light Is On

Causes

  • Faulty AFCM relay
  • Open or short circuit in control circuit
  • Poor contact in connectors
  • Engine control unit (ECU) malfunction
  • Relay power problems

How to Fix

  1. Check the status of the AFCM relay
  2. Inspect the control circuit for damage
  3. Check contacts in connectors
  4. Test the engine control unit
  5. Replace AFCM relay if necessary

Related codes

Error P2A33 by Vehicle Brand

FAQ

What does the P2A33 code mean?

P2A33 is an OBD-II diagnostic trouble code that indicates: AFCM Power Relay Control Circuit Low

What causes a P2A33 error code?

The most common causes of P2A33 include: Faulty AFCM relay; Open or short circuit in control circuit; Poor contact in connectors; Engine control unit (ECU) malfunction.

How do I fix a P2A33 diagnostic trouble code?

To fix P2A33: Check the status of the AFCM relay. Inspect the control circuit for damage. Check contacts in connectors. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P2A33?

Yes, but get it checked soon

How much does it cost to fix P2A33?

The estimated repair cost for P2A33 is $6–22. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat