Coolant level incorrect

Read the instructions below then start the fault diagnostic procedure.

Symptom: The SID unit warns of low coolant level despite correct level or does not warn despite incorrect level.

Coolant level incorrect

Fault symptoms

The SID unit warns of low coolant level despite correct level or does not warn despite incorrect level.

Diagnostic help

The coolant level sensor can be read using the diagnostics tool.

The message FILL COOLANT FLUID can be activated with the diagnostics tool.

Check the wiring

Jiggle the wiring harness at several points and in different directions to reveal intermittent breaks and short-circuits in the wiring harness. Observe the multimeter, test lamp or diagnostic instrument while doing this.