DTC U027C-00: Can Communication System: Communication Error To Charging Equipment (PYUL)

WARNING: This page is about a different variant/trim than selected.

WARNING: <<High voltage>>

If the necessary measures are not taken before servicing an electric vehicle, it could cause electrical shock and result in serious injury or, in the worst case, death. Before servicing the electric vehicle, refer to [HIGH VOLTAGE SERVICE CAUTIONS ] in the general information and implement the necessary measures. (Refer to [HIGH VOLTAGE SERVICE CAUTIONS ] ).

U027C: 00 (PCM (PYUL)) DETECTION CONDITION AND POSSIBLE CAUSE

System malfunction location	CAN communication system: Communication error to charging equipment
Detection condition	Communication error between PCM and charging equipment continues.
Fail-safe	Stops quick charge.
Possible cause	WARNING: <<High voltage>> If necessary measures such as wearing the correct protective gear are not taken when inspecting or removing/installing the high voltage parts, it could cause electrical shock and result in serious injury or, in the worst case, death. Before inspecting or removing/installing the high voltage parts, refer to [HIGH VOLTAGE SERVICE CAUTIONS ] in the general information and [High Voltage Part Inspection and REMOVAL/INSTALLATION NOTES ] of the high voltage system service cautions and implement the necessary measures and preparations. (Refer to [HIGH VOLTAGE SERVICE CAUTIONS ] ). (Refer to [HIGH VOLTAGE SYSTEM SERVICE CAUTIONS ] ). Wear insulated gloves when working on a high voltage system. Charging equipment malfunction (See DTC INSPECTION .) NOTE: If this DTC is displayed as a past malfunction, a malfunction in the charging equipment used when the DTC was output can be considered. DTCs are stored in the PCM. (Except U027C: 00) (See DTC TABLE [PCM (PYUL)] .) DTCs are stored in the body control module (BCM). (See DTC TABLE [BCM] .) Malfunction in wiring harness (including connector/terminal) between charge port assembly and body control module (BCM) (See CIRCUIT INSPECTION .) (See CONNECTOR INSPECTION .) Malfunction in wiring harness (including connector/terminal) between body control module (BCM) and PCM (See CIRCUIT INSPECTION .) (See CONNECTOR INSPECTION .) Body control module (BCM) malfunction (Refer to [BODY CONTROL MODULE (BCM) REMOVAL/INSTALLATION ] ). Charge port assembly malfunction (Refer to [CHARGE PORT REMOVAL/INSTALLATION ] ). PCM malfunction (Refer to [PCM REMOVAL/INSTALLATION ] ).
Repeatability verification procedure	Clear the DTC recorded in the memory. (See CLEARING DTC .) Perform quick charging using charging equipment other than that used when the DTC was output.
Courtesy of MAZDA MOTORS CORP.
1	PCM
2	Body control module (BCM)
3	Charge port assembly