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DTC › MBS3 MBS3 / 0237

#Not implemented. Short circuit on rear view mirror heating output, left side

â–¶ How to fix

Trouble shoot cable harness, connectors and mirror heater

What you'll see

Not possible to use mirror heating.

System reaction

Pin will be disabled for as long as the fault code is active.

Diagnostic depth

Detection

Short to supply evaluated cyclically when output is inactive. Short to ground evaluated cyclically when output is active. Voltage at pin out of valid range.

Possible cause

Wires and/or connector may be broken, damaged or faulty

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