Pinpoint Tests AV: DTC U0114

Instrumentation, Message Center and Warning Chimes

Pinpoint Tests

Pinpoint Test AV: DTC U0114

Normal Operation
- DTC U0114 (Lost Communication With Four Wheel Drive Clutch Control Module) - sets in continuous memory in the Instrument Cluster (IC) if data messages received from the 4X4 control module over the High Speed Controller Area Network (HS-CAN) are missing. For a complete list of all network messages, refer to Information Bus.

This pinpoint test is intended to diagnose the following:

- 4X4 control module
- IC



PINPOINT TEST AV: DTC U0114

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AV1 VERIFY THE CUSTOMER CONCERN


- Ignition ON.
- Verify that there is an observable symptom present.
- Is an observable symptom present?

Yes
GO to AV2.

No
The system is operating normally at this time. The DTC may have been set due to high network traffic or intermittent fault condition.

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AV2 CHECK THE COMMUNICATION NETWORK


- Ignition ON.
- Enter the following diagnostic mode on the scan tool: Network Test.
- Carry out the network test.
- Does the 4X4 control module pass the network test?

Yes
GO to AV3.

No
REFER to Information Bus.

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AV3 RETRIEVE THE RECORDED DTCs FROM THE IC SELF-TEST


- Check for recorded IC DTCs from the self-test.
- Is DTC B1317 or B1318 recorded?

Yes
Go To Pinpoint Test AP (B1317) or Go To Pinpoint Test AQ (B1318). Pinpoint Tests AP: DTC B1317 Pinpoint Tests AQ: DTC B1318

No
GO to AV4.

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AV4 RECHECK THE IC DTCs


NOTE: If new modules were installed prior to the DTC being set, the module configuration may be incorrectly set during the Programmable Module Installation (PMI) or the PMI may not have been carried out.

- Clear the DTCs. Repeat the IC self-test.
- Is DTC U0114 still present?

Yes
GO to AV5.

No
The system is operating correctly at this time. The DTC may have been set due to high network traffic or an intermittent fault condition.

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AV5 CHECK FOR DTC U0114 SET IN OTHER MODULES


- Ignition ON.
- Enter the following diagnostic mode on the scan tool: Self-Test.
- Retrieve the continuous memory DTCs from all modules.
- Is DTC U0114 set in the ABS module?

Yes
INSTALL a new 4X4 control module. CLEAR the DTCs. REPEAT the self-test.

No
INSTALL a new IC. REFER to Instrument Cluster (IC) Instrument Cluster (IC). TEST the system for normal operation.

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