Service bulletins for the 2026 Mazda CX-70
A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.
121 on file from NHTSA, as of 2026-10-19.
About P2BC5 on the 2026 Mazda CX-70: what the code means, and the bulletins and recalls about the same components.
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Only bulletins with trouble code: P2BC5 are shown. Show all
| 30-003-26 | 2026-08-04. Service bulletin. ELECTRICAL SYSTEM; UNKNOWN OR OTHER. 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. |
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The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.