2008 Lexus LS600h L – Brake Warning Lights With C1253
- Aug 15
- 1 min read
Updated: Aug 15
CUSTOMER CONCERN
Customer states the ABS, traction-control and brake warning lights remain on after brake-booster pump replacement and bleeding. DTC C1253 is stored.
CAUSE
The ABS MTR1 fusible link and pump feed circuit tested correctly, isolating the fault to Engine Room Relay Block 2/Engine Room Junction Block 2.
CORRECTION
Remove and replace Engine Room Relay Block 2/Engine Room Junction Block 2. Clear brake-system DTCs and verify booster-pump operation.
