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The diagnostic tool indicates that one or more systems connected to the P-bus is "MISSING" from the bus.

Read the instructions below then start the fault diagnostic procedure.

Symptom: The diagnostic tool indicates that one or more systems connected to the P-bus is "MISSING" from the bus.

One or more systems connected to the P-bus "MISSING" from the bus.


Fault symptom

The diagnostic tool indicates that one or more systems connected to the P-bus is "MISSING" from the bus.

Diagnostic help

Communication with CIM is necessary for Tech 2 to be able to communicate with all systems.

The Diagnostic instrument main menu "All systems/Read configuration" shows a list of those systems with which the vehicle in question was equipped before the fault was detected.

The current status of each system is shown to the right.

"OK" if control module communicates correctly.

"MISSING" if control module is not on the bus.

"ADDED" if the control module has not yet been added.

"NOT EQUIPPED" indicates that the control module is not fitted to the vehicle.

NOTE: applies before reset of bus configuration.

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Functions in the diagnostic tool related to the fault

• Read / Reset Bus Configuration
• Read / Clear Bus Off Counter
• Response Test

Checking the wiring harness

IMPORTANT

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.