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P26F3: Starter Relay B Stuck Off

Severity
Medium
System
Powertrain
Last reviewed: Last updated:

Methodology: We combine code standards with complaint and reliability patterns, then review for clear, vehicle-first diagnosis steps.

Sources: SAE/OBD-II definitions, manufacturer service information, and public reliability reports (including NHTSA where applicable).

Limits: Guidance is informational and may not match every model-year or revision. Confirm with the official manual and diagnostics before replacing parts. For safety-critical or electrical work, use a qualified technician.

What Does P26F3 Mean?

P26F3 is a diagnostic trouble code indicating: Starter Relay B Stuck Off. This code relates to the powertrain system. The vehicle's computer detected a condition outside normal operating parameters and stored this code.

Symptoms of P26F3

Common Causes

Frequently Asked Questions

What does P26F3 mean?
P26F3 indicates: Starter Relay B Stuck Off. The vehicle's computer has detected that the Starter Relay B is not operating within its expected parameters and stored this diagnostic trouble code.
Can I drive with code P26F3?
You can drive short distances for essential trips, but schedule a diagnosis soon. Driving with P26F3 for extended periods may cause additional problems.
How much does it cost to fix P26F3?
Repair costs for P26F3 typically range from $50 to $300, depending on the root cause. Simple wiring or connector repairs are on the lower end, while component replacement costs more. A proper diagnosis ($80–$150 at most shops) will identify the exact cause before committing to expensive parts.

What To Do Next

Possible Fixes

  • 🔧 Check power supply to Starter Relay B
  • 🔧 Replace seized or failed Starter Relay B
  • 🔧 Repair open circuit in Starter Relay B control wiring
  1. 1
    Find your vehicle above

    Click your make and model for real owner reports and common causes specific to your vehicle.

  2. 2
    Check for recalls

    Go to nhtsa.gov/recalls and enter your VIN. Free repairs if covered.

  3. 3
    Get a professional diagnosis

    A code alone doesn't identify the exact failed part. A diagnostic ($50–$150) pinpoints the root cause.

Related Codes

P2600 Coolant Pump A Control Circuit/Open P2601 Coolant Pump A Control Circuit Performance/Stuck Off P2602 Coolant Pump A Control Circuit Low P2603 Coolant Pump A Control Circuit High P2604 Intake Air Heater A Circuit Range/Performance P2605 Intake Air Heater B Circuit/Open P2606 Intake Air Heater B Circuit Range/Performance P2607 Intake Air Heater B Circuit Low P2608 Intake Air Heater B Circuit High P2609 Intake Air Heater System Performance