P26A1
Exhaust Aftertreatment Glow Plug Circuit Low
P26A1 is an OBD-II diagnostic trouble code meaning: Exhaust Aftertreatment Glow Plug Circuit Low. Common causes: faulty glow plug of the aftertreatment system, short circuit in glow plug circuit. Estimated repair cost: $17–89.
Symptoms
- Check Engine Light Is On
- Reduced engine power
- Increased fuel consumption
- Problems starting in cold weather
- Unstable engine operation
Causes
- Faulty glow plug of the aftertreatment system
- Short circuit in glow plug circuit
- Wiring harness damage
- Malfunction of the glow plug control module
- Poor contact in connectors
How to Fix
- Check glow plug resistance
- Inspect wiring and connectors for damage
- Check the voltage on the glow plug circuit
- Replace faulty glow plug if necessary
- Check the operation of the control module
Related codes
Error P26A1 by Vehicle Brand
FAQ
What does the P26A1 code mean?
P26A1 is an OBD-II diagnostic trouble code that indicates: Exhaust Aftertreatment Glow Plug Circuit Low
What causes a P26A1 error code?
The most common causes of P26A1 include: Faulty glow plug of the aftertreatment system; Short circuit in glow plug circuit; Wiring harness damage; Malfunction of the glow plug control module.
How do I fix a P26A1 diagnostic trouble code?
To fix P26A1: Check glow plug resistance. Inspect wiring and connectors for damage. Check the voltage on the glow plug circuit. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with P26A1?
Yes, but get it checked soon
How much does it cost to fix P26A1?
The estimated repair cost for P26A1 is $17–89. Actual cost depends on your vehicle, location, and labor rates.
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