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EHPS / U2139 00

Read the instructions below then start the fault diagnostic procedure.

Symptom: None

  U2139 00


CIM was Missing on Bus

Fault symptom

None

On-board diagnosis

Type of diagnosis:

Continuous

Enable criteria:

Ignition ON.

Fault criteria:

CIM or EHPS has been missing from the bus.

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

Functions in the diagnostic tool related to the fault:

Test value:
•Bus Off Counter, P-Bus
•Response Test
•Read / Reset Bus Configuration
(See also description of readings/activations in diagnostic tool)