Code B1112 reports a current below threshold on the Run relay control. On the Fiat 500X 1.6 Multijet it appears together with a series of configuration and communication codes, with the engine not starting and the instrument cluster dead.
- System
- Electronics
- Component
- Starter motor
- Fault
- The engine fails to start and the instrument cluster does not light up.
- Typical symptoms
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- The engine will not start
- The instrument cluster does not light up
- Several configuration and communication codes are stored in the diagnostic memory
- Vehicles affected
-
- Fiat 500X 1.6 Multijet
- Main code
-
- B1112 Run relay control, circuit current below threshold
- Related codes
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- 906A Driving style LED 2, short to earth
- B106B Driving style LED 3, short to earth
- B10AA Configuration check failed, incorrect component fitted
- B1105 Physical key fault, invalid signal
- U0433 Instrument cluster, message plausibility
- U1701 ECM, engine control module, fault
On this fault the diagnostic tool often returns several codes together.
- Solution
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See the repair procedure verified on Sema Repair.
The cause and the repair are on Sema Repair
On Sema Repair this code is linked to verified case studies, with the confirmed cause case by case, the job step by step, indicative times, the manufacturer's notes and a photograph of the component with the point of intervention highlighted.