FREE REPAIR MANUALS & LABOR GUIDES 1982-2013 Vehicles
Courtesy of Operation CHARM: Car repair manuals for everyone.

DTC 81

DTC 81: CPU (Central Processing Unit)
1. Clear the DTC, then disconnect the HDS.
2. Test-drive the vehicle.
Does the ABS indicator come on and is DTC 81 indicated?
YES-Replace the ABS modulator-control unit.
NO-The system is OK at this time.