Advanced Diagnostics

Advanced Diagnostics - DTC P0A1F (112): F-CAN Malfunction (Battery Condition Monitor (BCM) Module-Motor Control Module (MCM)






General Description
The motor control module (MCM) receives data from the battery condition monitor (BCM) module through two channels of the controller area network (CAN) (F-CAN, IMA-CAN). When no information is sent from the BCM module to both the IMA-CAN and F-CAN for a set time, or when the information sent from the BCM module is abnormal and this condition continues for a set time, the MCM detects a malfunction in the BCM module and stores a DTC.

Monitor Execution, Sequence, Duration, DTC Type, OBD Status






Enable Conditions






Malfunction Threshold
One of these conditions occurs:
- No information is sent from the BCM module for at least 0.5 second.
- The information sent from the BCM module is abnormal at least 10 times.

Diagnosis Details

Conditions for setting the DTC
When a malfunction is detected, the MIL comes on and a Pending DTC, a Confirmed DTC, and the freeze data are stored in the PCM and the MCM memory.

Conditions for clearing the DTC
The MIL is cleared if the malfunction does not return in three consecutive trips in which the diagnostic runs. The MIL, the Pending DTC, the Confirmed DTC, and the freeze data can be cleared with the scan tool Clear command or by disconnecting the battery.