DTC 81

ABS DTC 81: Central Processing Unit (CPU) Diagnosis, and ROM/RAM Diagnosis
1. Check for other ABS or TCS DTCs.
Are there any other DTCs indicated ?
YES-Do the appropriate troubleshooting for the DTC indicated.
NO-Go to step 2.
2. Clear the DTC.
3. Test-drive the vehicle.
Does the ABS indicator come on and is DTC 81 indicated ?
YES-Replace the ABS/TCS control unit.
NO-Intermittent failure; the vehicle is OK at this time.