MAZDA
30-003-26
Manufacturer communications
- Publication date
- 2026-07-18
- Received by NHTSA
- 2026-08-04
- NHTSA record numbers
- 11035602
Manufacturer summary
Original wording in English
DESCRIPTION Some vehicles may experience the warning message "A 'Hybrid System Malfunction. Have the Vehicle Inspected' and DTC P2BC5:00 (OBC contactor (+) stuck ON) and/or other DTCs listed below may be stored. If this condition is present, follow the Repair Procedure below to replace the Junction Box No.2. P2BC5:00: OBC Contactor (+) system: Stuck On P2BC6:00: OBC Contactor (+) system: Stuck Off P2BCC:00: OBC Contactor (-) system: Stuck On This is caused by an issue with the contact welding of the OBC contactor contacts. REPAIR PROCEDURE 1. Verify the customer concern. 2. Replace Junction Box 2 (+) according to the following procedure.
Reported code forms
Manufacturer wording
Source wording can vary by vehicle and suffix. It is shown as written, not as a universal diagnosis.
Mazda
P2BC5:00OBC Contactor (+) system: Stuck OnMazda
P2BC6:00OBC Contactor (+) system: Stuck OffMazda
P2BCC:00OBC Contactor (-) system: Stuck On This is caused by an issue with the contact welding of the OBC contactor contactsCheck vehicle applicability
A listed vehicle is a research lead. Confirm the engine, production range and software in the manufacturer's information.