U1501 - Implausible Message Data Length Received From Powertrain Control Module

For a complete wiring diagram, refer to appropriate Wiring Diagram.

• >>When Monitored:<< Continuously with the ignition ON.
• >>Set Condition:<< When the anti lock brake module detects an incorrect CAN message from the engine module.

Possible Causes
TIPM CAN BUS DTCs
ENGINE DTCs
ANTI LOCK BRAKE 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 DIAGNOSIS AND TESTING .

No

• Go to Test Step 2

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 ON-BOARD DIAGNOSTICS OPERATION .

No

• Replace the anti lock brake module. Refer to REMOVAL AND INSTALLATION .
• Perform ABS Verification Test. Refer to ABS VERIFICATION TEST (2009 - 2011) or ABS VERIFICATION TEST (2012 & UP) .