U11A2
U11A2 - Lost Communication With Passive Entry Module (PEM)
For a complete wiring diagram, refer to.
• When Monitored: Continuously when the ignition is on. The battery voltage is between 10 and 16 volts. Ignition Off Draw (IOD) fuse installed. Totally Integrated Power Module (TIPM) is configured correctly.
• Set Condition: Bus messages not received from the Passive Entry Module (PEM) for approximately two to five seconds.
Test Step 1 - VERIFY THE DIAGNOSTIC TROUBLE CODE (DTC) IS ACTIVE
• Make sure the IOD fuse is installed and the battery is fully charged before proceeding.
• Turn the ignition on.
• With the scan tool, read the active DTCs.
Is this DTC active?
Yes
• Refer to => Electrical System DTC Based Diagnostics and perform the U1145 Lost Communication with Keyless Go Security Module diagnostic procedure. U1145
No
• Refer to => Non-DTC Based Diagnostics and perform the Stored Lost Communication DTCs diagnostic procedure. Stored Lost Communication DTCs