P242B

P242B on Fiat — Engine warning light on with the car running normally

All the fault codes

Code P242B reports an inconsistency in exhaust gas temperature sensor 3, bank 1. On the Fiat 500X 2.0 Multijet it lights the engine warning light without affecting how the vehicle runs.

System
Exhaust emissions
Component
Exhaust gas temperature sensor
Fault
Engine warning light on, with the vehicle running correctly.
Typical symptoms
  • Engine warning light on
  • The vehicle runs correctly
Vehicles affected
  • Fiat 500X 2.0 Multijet
Main code
  • P242B Exhaust gas temperature sensor 3, bank 1, range or performance inconsistency
Related codes
  • P242C Exhaust gas temperature sensor 3, bank 1, low reading

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

Solution

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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.