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T8 / P1624 00

Read the instructions below then start the fault diagnostic procedure.

Symptom: Engine may not start.

  P1624 00


CIM Missing on Bus

Fault symptom

Engine may not start.

On-board diagnosis

Type of diagnosis:

Continuous

Enable criteria:

Ignition on for at least 3 s.
Battery voltage must be between 6 - 18 V.

Fault criteria:

No communication with CIM for 1.25 s.

Dependent:

None

System reaction to a fault:

The control module uses substitute value +20°C for outside temperature.

OK report:

Fault criteria NOT fulfilled for 2 s.

Fault handling:

Type III without Check Engine.
(See section Fault handling III, "Other emission-related components and functions" for more information.)

Checking the wiring harness

Move the wiring harness at several spots and in several directions to reveal intermittent breaks and short-circuits. Check switches, connectors and crimp connections for oxidation, retracted pins and pin clamping force.

Diagnostic help

Diagnosis regards:

Electrical fault on bus leads or in the component.
Fault diagnosis for CIM should be carried out.

Functions in the diagnostic tool related to the fault:

Response test, under "All/Bus" menu.
Read / Reset Bus Configuration
Read / Clear Bus Off Counter