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BCM / U1810 01

Read the instructions below then start the fault diagnostic procedure.

Symptom: None

  U1810 01


K-line BCM-Battery Current Sensor, Short to B+

Fault symptom

None

On-board diagnosis

Type of diagnosis:

Continuous

Enable criteria:

Ignition ON.
Voltage is over 9V but under 16V

Fault criteria:

Control module input short circuited to B+.

System reaction to a fault:

The BCM stops regulating the charging.

Checking the wiring harness

Jiggle the wiring harness at several points to detect intermittent breaks or short circuits. Check also the connector for oxidation or loose pins.

Diagnostic help

Diagnosis regards:

Electrical fault in connecting leads or component.