2010 Toyota Highlander Hybrid Limited – ABS Relays Clicking With C1253 and C1256
- Aug 15
- 1 min read
CUSTOMER CONCERN
The ABS relays click rapidly after an incorrect brake-bleeding attempt, and DTCs C1253 and C1256 are stored.
CAUSE
Power, ground, and communication checks confirmed an internal failure of the skid-control electronic control unit.
CORRECTION
Remove and replace the failed skid-control electronic control unit.
