Honda 2004 Odyssey Service Manual page 1273

ABS Components
DTC Troubleshooting (cont'd)
DTC 71: Different Diameter Tire
1. Clear the DTC (see step 1 on page 19-43).
2. Test-drive the vehicle.
Does the ABS indicator come on, and is DT C 7 1
indicated?
YES Make sure all four tires are the specified
size.
NO Intermittent failure; the vehicle is OK at this
time.
19-72 19-72
DTC 81: Central Processing Unit (CPU)
Diagnosis, and ROM/RAM Diagnosis
1. Clear the DTC (see step 1 on page 19-43).
2. Test-drive the vehicle.
Does the ABS indicator come on, and is DT C 81
indicated?
YES Replace the ABS control unit.
NO Intermittent failure; the vehicle is OK at this
time.