OBD Guide
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P1402

EGR Function Open

P1402 is an OBD-II diagnostic trouble code meaning: EGR Function Open. Common causes: open or short circuit in the egr valve control circuit, egr solenoid valve malfunction. Estimated repair cost: $17–89.

Severity
⚠️ Medium
Can you drive?
Yes, but get it checked soon
Approx. repair cost
$17–89 (est.)

Symptoms

  • Check Engine Light Is On
  • Unstable engine idling
  • Reduced engine power
  • Increased fuel consumption
  • Detonation during acceleration

Causes

  • Open or short circuit in the EGR valve control circuit
  • EGR solenoid valve malfunction
  • Wiring harness damage
  • Problems with the engine control unit
  • Mechanical failure of the EGR valve

How to Fix

  1. Check the integrity of the EGR valve control circuit
  2. Check the resistance and operation of the solenoid valve
  3. Inspect the wiring harness for damage
  4. Check the operation of the EGR valve
  5. If necessary, replace the EGR valve

Related codes

P0401P0402P0403

Error P1402 by Vehicle Brand

BMWFordKiaLincolnMazdaMercuryNissanSubaruVolkswagen

FAQ

What does the P1402 code mean?

P1402 is an OBD-II diagnostic trouble code that indicates: EGR Function Open

What causes a P1402 error code?

The most common causes of P1402 include: Open or short circuit in the EGR valve control circuit; EGR solenoid valve malfunction; Wiring harness damage; Problems with the engine control unit.

How do I fix a P1402 diagnostic trouble code?

To fix P1402: Check the integrity of the EGR valve control circuit. Check the resistance and operation of the solenoid valve. Inspect the wiring harness for damage. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P1402?

Yes, but get it checked soon

How much does it cost to fix P1402?

The estimated repair cost for P1402 is $17–89. Actual cost depends on your vehicle, location, and labor rates.

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See also: Russian version · NationStat