U1218 on Peugeot — After a flat battery: radio dead, engine fault message and the cooling fan running continuously
Code U1218 indicates that the multifunction control module signal is missing from the CAN network, or that the signal is invalid. On the Peugeot Partner 1.6 HDI it typically appears after a flat battery, when the body computer has lost its configuration.
- System
- Electronics
- Component
- Body computer
- Fault
- After the battery went flat the radio no longer works, the clock has reset and, with the engine running, the radiator cooling fan runs continuously.
- Typical symptoms
-
- The radio no longer works after the battery went flat
- The clock on the cluster has reset
- An engine fault message on the display
- The radiator cooling fan runs continuously with the engine running
- Vehicles affected
-
- Peugeot Partner (B9) 1.6 HDI 16v
- Main code
-
- U1218 CAN data bus, multifunction control module - signal missing or invalid
- Related codes
-
- F062 Loss of communication with the radio or the telematics computer - not characterised
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 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.