Operation CHARM: Car repair manuals for everyone.

U1450






U1450-00-IMPLAUSIBLE DTCM TORQUE MESSAGE RECEIVED

For a complete wiring diagram, refer to the Wiring Information.

Theory of Operation

The messages sent on the CAN bus are distinguished by an identifier (ID). Each CAN ID is defined to contain a certain number of bytes. The Electronic Limited Slip Differential (ELSD) Module verifies that it has received the proper number of bytes for each ID.

- When Monitored:
Continuously with the ignition on.

- Set Condition:
When the ELSD Module detects an incorrect message from the Drive Train Control Module (DTCM).





1. CHECK FOR TIPM CAN BUS DTCs
1. With the scan tool, read TIPM DTCs.

Are there any TIPM CAN BUS DTCs present?

Yes

- Testing and Inspection Perform the appropriate diagnostic procedure. Perform the diagnostic procedure for DTC U0001-CAN C BUS first if it is present. U0001
- Perform the ELSD VERIFICATION TEST. ELSD Verification Test.

No

- Go To 2

2. CHECK IF DTCM DTCs ARE PRESENT
1. With the scan tool, read DTCM DTCs.

Are there any DTCM DTC's present?

Yes

- Perform the appropriate diagnostic procedure.Testing and Inspection.

No

- Using the schematics as a guide, check the Drive Train Control Module (DTCM) terminals or corrosion, damage, or terminal push out. Pay particular attention to all power and ground circuits. If no problems are found, replace Electronic Limited Slip Differential (ELSD) Module. Electronic Limited Slip Differential Control Module - Removal.
- Perform the ELSD VERIFICATION TEST. ELSD Verification Test.