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MIU / B2821 0F

Read the instructions below then start the fault diagnostic procedure.

Symptom: Trip odometer cannot be reset.

  B2821 0F


Trip Odometer Switch Curcuit, Erratic signal

Fault symptom

Trip odometer cannot be reset.

On-board diagnosis

Type of diagnosis:

Diagnostics runs when the Reset button is depressed.

Enable criteria:

Ignition ON.

Fault criteria:

Incorrect signal from Reset button.

System reaction to a fault:

In the event of a fault, the control unit switches off trip odometer display 120 s after the ignition is switched off.

Diagnostic help

Diagnosis regards:

Mechanical fault (button stuck) or internal fault in MIU.