Pinpoint Tests AX: DTC U0159

Instrumentation, Message Center and Warning Chimes

Pinpoint Tests

Pinpoint Test AX: DTC U0159

Normal Operation
- DTC U0159 (Lost Communication With Parking Assist Control Module ( PAM)) - sets in continuous memory if data messages received from the Parking Aid Module (PAM) over the High Speed Controller Area Network (HS-CAN) are missing for greater than 5 seconds.

This pinpoint test is intended to diagnose the following:

- PAM
- Instrument Cluster (IC)



PINPOINT TEST AX: DTC U0159

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AX1 VERIFY THE CUSTOMER CONCERN


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

Yes
GO to AX2.

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

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AX2 CHECK THE COMMUNICATION NETWORK


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

Yes
GO to AX3.

No
REFER to Information Bus.

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AX3 RETRIEVE THE RECORDED DTCs FROM THE IC SELF-TEST


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

Yes
GO to Pinpoint Test AN (B1317) or GO to Pinpoint Test AO (B1318). Pinpoint Tests AN: DTC B1317 Pinpoint Tests AO: DTC B1318

No
GO to AX4.

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AX4 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.
- Are any DTCs present?

Yes
For DTC U0159, INSTALL a new PAM. CLEAR the DTCs REPEAT the IC self-test.

If DTC U0159 is still present, INSTALL a new IC. REFER to Instrument Cluster (IC) Instrument Cluster (IC). TEST the system for normal operation.

For DTC U261A, CARRY OUT the IC PMI. REFER to Information Bus. CLEAR the DTCs. REPEAT the self-test. Programming and Relearning

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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