Powertrain
generic / SAE
P26E5
Starter Relay B Circuit Low
Voltage on the secondary starter relay control line is below the expected window. Wiring faults of this kind typically come from chafing, water ingress at connector seals, or pin push-back — a wiggle test on the harness while the code is active often confirms the location.
SystemPowertrain
Typegeneric / SAE
GroupP2
Range / number6 / E5
Possible causes
- Control wire shorted to ground high
- Internal short in relay coil medium
- Connector pins corroded - high contact resistance low
Inspection / repair
- Difficulty: easy
- DIY: possible
- Estimated cost: 50–300 €
- Estimated time: 0.3–1.5 h
- Component: starter relay b
- Component: wiring harness
- MIL / check engine light
Sources
References
sae:J2012