DTC U0140[00] Lost Communication With Body Control Module (Information Module)

1. DTC U0140[00] description

The information module and the BCM communicate information with each other using the CAN bus. The information module determines whether CAN messages are constantly flowing from the BCM. If the information module cannot receive CAN messages from the BCM, the DTC is set.

2. Condition for setting DTC U0140[00]

Condition for running the DTC

  • The ignition switch is ON.
  • The ignition voltage is 10 V or more.

Condition for setting the DTC

  • The information module detects that CAN messages from the BCM are not received for 5 seconds or more.
Copyright Mazda Motor Corporation. All rights reserved.