P154A
P154A on Fiat — Engine cutting out while driving with an ‘Alternator fault’ message
Code P154A reports faulty operation of the alternator. On the Fiat 500L 1.6 Multijet it appears together with code P065A and shows up as the engine cutting out while driving and an ‘Alternator fault’ message on the instrument cluster.
- System
- Electronics
- Component
- Alternator
- Fault
- The engine cuts out intermittently while driving and is hard to start, with the engine warning light on.
- Typical symptoms
-
- The engine cuts out intermittently while driving
- Hard starting
- Engine warning light on while the fault is present
- ‘Alternator fault’ message on the instrument cluster display
- Vehicles affected
-
- Fiat 500L 1.6 Multijet 16v
- Main code
-
- P154A Generator, faulty or abnormal operation
- Related codes
-
- P065A Alternator, range or performance inconsistency
On this fault the diagnostic tool often returns several codes together.
- Solution
-
See the repair procedure verified on Sema Repair.
The cause and the repair are on Sema Repair
On Sema Repair every code is linked to verified fault cases. The case study gathers, where available, the information you need to reach the repair:
- Verified cause of the fault
- Step-by-step repair procedure
- Indicative repair times
- Manufacturer's notes
- Photo of the component with the repair point marked