Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
Diagnosis Procedure
- CHECK DTC PRIORITY
If DTC B260F is displayed with DTC U1000 or U1010, first perform the trouble diagnosis for DTC U1000 or U1010.
Is applicable DTC detected?
YES
Perform diagnosis of applicable. U1000: Refer to DTC LOGIC . U1010: Refer to DTC LOGIC .
NO
GO TO STEP 2 .
- INSPECTION START
- Turn ignition switch ON.
- Select "Self Diagnostic Result" of "BCM" using CONSULT.
- Touch "ERASE".
- Perform DTC CONFIRMATION PROCEDURE for DTC B260F. Refer to DTC DESCRIPTION .
Is DTC detected?
YES
GO TO STEP 3 .
NO
Inspection End.
- REPLACE ECM
Replace ECM. Refer REMOVAL AND INSTALLATION .
Inspection End
NO RELATED
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.