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.
DTC 81: Central Processing Unit (CPU)
2007 Honda Ridgeline RTSSECTION DTC 81: Central Processing Unit (CPU)
- Clear the DTCs with the HDS (see HOW TO RETRIEVE DTCS ).
- Turn the ignition switch OFF, then turn the ignition switch ON (II).
- Check for DTCs with the HDS (see HOW TO RETRIEVE DTCS
).
Does the ABS indicator come on, and is DTC 81 indicated?
YES -Replace the VSA modulator-control unit (see VSA MODULATOR-CONTROL UNIT REMOVAL AND INSTALLATION ).
NO -Intermittent failure, the system is OK at this time.
RENDER: 1.0x
NO RELATED
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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.