U1503

U1503 - Implausible Message Data Length Received from Totally Integrated Power Module

For a complete wiring diagram, refer to.

• When Monitored: Continuously with the ignition ON.

• Set Condition: When the anti lock brake module detects an incorrect CAN message from the totally integrated power module.






Test Step 1 - Test if TIPM CAN Bus DTCs are Present

• With the scan tool, read TIPM DTCs.

Are there any TIPM CAN Bus DTCs present?

Yes

• Check Electrical/Electronic Control Modules. Refer to => Engine DTC-Based Diagnostics.

No

• Replace the anti lock brake module.

• Perform ABS Verification Test. Refer to => Non-DTC
Based Diagnostics. ABS Verification Test











Edition 102610 CU