OBD Guide

P069A

Cylinder 9 Glow Plug Control Circuit Low

P069A is an OBD-II diagnostic trouble code meaning: Cylinder 9 Glow Plug Control Circuit Low. Common causes: faulty glow plug cylinder 9 (short circuit), damaged or broken glow plug circuit wiring. Estimated repair cost: $6–33.

Severity
⚠️ Medium
Can you drive?
Yes, but get it checked soon
Approx. repair cost
$6–33 (est.)

Symptoms

  • Difficulty or impossible to start a cold engine
  • Increased starter cranking time
  • White smoke from the exhaust pipe during cold start
  • Check Engine Light Is On
  • Unstable engine operation when warming up

Causes

  • Faulty glow plug cylinder 9 (short circuit)
  • Damaged or broken glow plug circuit wiring
  • Faulty glow plug relay
  • Oxidation or poor contact in the circuit connector
  • Malfunction of the glow plug control module

How to Fix

  1. Read all error codes, record parameters in case of malfunction
  2. Visually inspect the wiring and glow plug connector of cylinder 9 for damage and oxidation
  3. Measure the resistance of the glow plug of cylinder 9 (standard 0.5–2 Ohm), replace if there is a deviation
  4. Check the presence of power and ground on the glow plug relay, replace the relay if faulty
  5. Check the integrity of the wiring between the computer and the glow plug, eliminate breaks or short circuits
  6. Reset error codes and check system operation after repair

Related codes

Error P069A by Vehicle Brand

FAQ

What does the P069A code mean?

P069A is an OBD-II diagnostic trouble code that indicates: Cylinder 9 Glow Plug Control Circuit Low

What causes a P069A error code?

The most common causes of P069A include: Faulty glow plug cylinder 9 (short circuit); Damaged or broken glow plug circuit wiring; Faulty glow plug relay; Oxidation or poor contact in the circuit connector.

How do I fix a P069A diagnostic trouble code?

To fix P069A: Read all error codes, record parameters in case of malfunction. Visually inspect the wiring and glow plug connector of cylinder 9 for damage and oxidation. Measure the resistance of the glow plug of cylinder 9 (standard 0.5–2 Ohm), replace if there is a deviation. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P069A?

Yes, but get it checked soon

How much does it cost to fix P069A?

The estimated repair cost for P069A is $6–33. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat