U1501

U1501 - Implausible Message Data Length Received from Powertrain Control 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 engine 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 Totally Integrated Power Module diagnostics. Refer to => Engine DTC-Based Diagnostics.

No

• Go to Test Step 2 => [ Test Step 2 - Test if Engine DTCs are Present ]

Test Step 2 - Test if Engine DTCs are Present

• With the scan tool, read Engine DTCs.

Are there any Engine DTCs present?

Yes

• Check Engine Electrical diagnostics. 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