P0012 on Fiat — Engine warning light on with the vehicle running normally

Code P0012 reports retarded timing of camshaft 1, bank 1. On the Fiat 500 1.2 it appears together with P0009 and P0011 and keeps the engine warning light on, although the vehicle runs correctly.

System

Fuel injection

Fault

Engine warning light permanently on, with the vehicle running correctly.

Typical symptoms

• Engine warning light permanently on
• The vehicle runs correctly
• Several valve timing codes are stored together in the diagnostic memory

Vehicles affected

• Fiat 500 1.2 8v

Main code

• P0012 Camshaft position or timing 1, bank 1, timing over-retarded

Related codes

• P0009 Valve timing or engine control system, bank 2, fault
• P0011 Camshaft position or timing 1, bank 1, timing over-advanced

On this fault the diagnostic tool often returns several codes together.

Solution

See the repair procedure verified on Sema Repair.

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