B1600 (04)

Read the instructions below then start the fault diagnostic procedure.

Symptom: D.T.E. information unreliable Fuel consumption information unreliable. Average speed information unreliable.

B1600 (04)

Fault symptoms

D.T.E. information unreliable

Fuel consumption information unreliable.

Average speed information unreliable.

Type of diagnosis

Continuous.

Enable criteria

Ignition ON.

Fault criteria

No bus communication.

Diagnostic help

When DTCs are read from SID, communication is functioning. The DTC is an indication of an intermittent bus fault.

Checking the wiring harness

Jiggle the wiring harness at several points and in different directions to detect intermittent breaks and short circuits. Check switches, connectors and crimp connections for oxidation, withdrawn pins and pin clamping force.