PHEV model family
Mazda CX-70 error codes and diagnostics
Diagnostic coverage for model years 2025–2026. Verified entries below are linked to this model family by source-backed applicability evidence; model membership alone is never used to invent a code relationship.
PowertrainPHEV
Model years2025–2026
Verified diagnostics21
Research leads0
Verified Verified Mazda CX-70 diagnostic codes
Each result opens a manufacturer-specific report with the code meaning, affected vehicles, source evidence and the full diagnostic knowledge page where available.
B1041ADAPTIVE FRONT LIGHTING SYSTEM (AFS) CONTROL MODULE○ B108E:04 - CENTER DISPLAY INTERNAL MALFUNCTION○ C0061:54 - DSC HU/CM○ C1001:92 - FORWARD SENSING CAMERA (FSC)○ C1001:97 - FORWA · 2022–2025View diagnostic report →B108ECENTER DISPLAY INTERNAL MALFUNCTION○ C0061:54 - DSC HU/CM○ C1001:92 - FORWARD SENSING CAMERA (FSC)○ C1001:97 - FORWARD SENSING CAMERA (FSC)○ U300A:62 - ELECTRIC PARKING BRAKE (EPB) · 2022–2025View diagnostic report →B119F01 (TEL antenna No.1 malfunction) stored. This may be caused by an aftermarket dash cam. The aftermarket device may cause electrical noise disturbing the reception of GPS signals · 2022–2026View diagnostic report →B13D394 stored (Communication error with remote transmitter)• DTC P1260:00 stored (Immobilizer system problem)• Rear View Monitor Display is Blurry• For concerns where the vehicle power · 2022–2025View diagnostic report →B14F092 set as a past record for low visibility of the Forward Sensing Camera (FSC). It does not mean there is an actual FSC defect. In some cas · 2022–2026View diagnostic report →C002314 (Brake light circuit malfunction) stored. This may be caused by an aftermarket brake light flasher. Page 5 of 6 05/24/2023 09:34 AM tlawrenc REPAIR PROCEDURE 1. Verify the custo · 2022–2025View diagnostic report →C0061DSC HU/CM○ C1001:92 - FORWARD SENSING CAMERA (FSC)○ C1001:97 - FORWARD SENSING CAMERA (FSC)○ U300A:62 - ELECTRIC PARKING BRAKE (EPB)○ U3004:17 - ACC RELAY CIRCUIT MALFUNCTION○ U041 · 2022–2025View diagnostic report →C1001FORWARD SENSING CAMERA (FSC)○ C1001:97 - FORWARD SENSING CAMERA (FSC)○ U300A:62 - ELECTRIC PARKING BRAKE (EPB)○ U3004:17 - ACC RELAY CIRCUIT MALFUNCTION○ U0415:00 - MAZDA RADAR CRU · 2022–2026View diagnostic report →In Vehicle Network MalfunctionIn Vehicle Network Malfunction · 2022–2025View diagnostic report →P0AA600 (High voltage insulation malfunction: Decrease in vehicle insulation resistance) stored in memory. This may be caused by an internal mel · 2024–2025View diagnostic report →P0C1700 [SGC2/DMCM (e-SKYACTIV PHEV)] in the troubleshooting manual. NOTE: When attempting to complete the Learn of Electric Motor Speed Sensor · 2024–2025View diagnostic report →P0DAB001/25. U0401:68 Error signal received from ECM (e-SKYACTIV PHEV)/PCM (except e-SKYACTIV PHEV), el · 2024–2026View diagnostic report →P126000 stored (Immobilizer system problem)• Rear View Monitor Display is Blurry• For concerns where the vehicle power supply cannot be controlled adequately, such as an engine no start · 2022–2026View diagnostic report →P143B00) is found based on the voltage down from the BPS, replace the Sub Battery following the procedures in the Workshop Manual. 1. PCM 2. BPS Unit 3. Sub Battery PHEV Refueling Proce · 2024–2025View diagnostic report →P26105 and CX-9 CX-30, CX-50, Mazda3 and MX- 30 1. Press and hold the Volume knob, then press and hold the Entertainment and Favorite buttons at the same time for 3-5 seconds and the Fa · 2022–2025View diagnostic report →Telematics MalfunctionTelematics Malfunction · 2022–2026View diagnostic report →U040168 Error signal received from ECM (e-SKYACTIV PHEV)/PCM (except e-SKYACTIV PHEV), electronically controlled brake unit/DSC HU/CM, instrumen · 2024–2026View diagnostic report →U0420MAZDA RADAR CRUISE CONTROL (MRCC)/SMART BRAKE SUPPORT (SBS)○ Multiple DTC's (U0XXX:00 COMMUNICATION ERROR)○ • If an aftermarket device is found connected to DLC-2, take a photo and · 2022–2025View diagnostic report →U2050TCU (Activation of remote control not implemented) is stored, go to TSB 09-013/20 - DTC U2050:55 STORED AFTER REPLACING OR REPROGRAMMING TCU. • If the TCU was not replaced and MDAR · 2022–2025View diagnostic report →U214200 (Communication error with microphone) will be cleared at this step. Page 5 of 6 12/19/2023 02:16 PM tlawrenc w. Check for DTCs with the · 2022–2025View diagnostic report →U300049 stored, Mazda3, CX-30 built after 7/1/2021 - Update CMU to CMU_ 7000C0A-NA06_12012 or later. • DTC U3000:49 stored, MX-30 - Update CMU to CMU_7000C0A-NA02_11036 or later. • Exce · 2022–2026View diagnostic report →
About this model coverage
EV Diagnostics separates vehicle catalog data from diagnostic applicability. A code is listed as verified for Mazda CX-70 only when supporting evidence connects that diagnostic identity to the model or its documented model-year range.
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