Pinpoint Test L: DTC U0212:00

Cruise Control

Pinpoint Test L: DTC U0212:00

Normal Operation

- DTC U0212:00 (Lost Communication With Steering Column Control Module: No Sub Type Information)- sets in the Cruise-Control Module (C-CM) if data messages received from the Steering Column Control Module (SCCM) 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:

- C-CM (Cruise-Control Module)

- SCCM (Steering Column Control Module)

PINPOINT TEST L : DTC U0212:00

L1 VERIFY THE CUSTOMER CONCERN

- Ignition ON.

- Verify that there is an observable symptom present.

Is an observable symptom present?

Yes
GO to L2.

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.

L2 CHECK THE COMMUNICATION NETWORK

- Ignition ON.

- Enter the following diagnostic mode on the scan tool: Network Test.

- Carry out the network test.

Does the SCCM (Steering Column Control Module) pass the network test?

Yes
GO to L3.

No
REFER to Information Bus, The SCCM (Steering Column Control Module) Does Not Respond To The Scan Tool. Pinpoint Test G: The Steering Column Control Module (SCCM) Does Not Respond To The Scan Tool

L3 RETRIEVE THE RECORDED DTCs FROM THE C-CM (Cruise-Control Module) SELF-TEST

- Check for recorded DTCs from the C-CM (Cruise-Control Module) self-test.

Is DTC U3003:16 or DTC U3003:17 recorded?

Yes
For the C-CM (Cruise-Control Module), GO to Pinpoint Test Q (U3003:16) or GO to Pinpoint Test R (U3003:17) Pinpoint Test Q: DTC U3003:16 Pinpoint Test R: DTC U3003:17. For the SCCM (Steering Column Control Module), REFER to Steering Column.

No
GO to L4.

L4 RECHECK THE C-CM (Cruise-Control Module) DTCs

- Clear the DTCs. Repeat the C-CM (Cruise-Control Module) self-test.

Is DTC U0212:00 still present?

Yes
GO to L5.

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.

L5 CHECK FOR DTC U0212:00 SET IN OTHER MODULES

- Clear all DTCs.

- Ignition OFF.

- Ignition ON.

- Wait 10 seconds.

- Retrieve the continuous memory DTCs from all modules.

Is DTC U0212:00 set in other modules?

Yes
INSTALL a new SCCM (Steering Column Control Module). CLEAR the DTCs. REPEAT the self-test.

No
INSTALL a new C-CM (Cruise-Control Module). REFER to Cruise-Control Module (C-CM) Service and Repair. TEST the system for normal operation.