Subaru Impreza 2003 Service Manual page 2478

DIAGNOSTICS PROCEDURE WITH DIAGNOSTIC TROUBLE CODE (DTC)
ABS (DIAGNOSTICS)
V: DTC 42
— POWER SUPPLY VOLTAGE TOO HIGH —
DIAGNOSIS:
• Power source voltage of the ABSCM&H/U is high.
TROUBLE SYMPTOM:
• ABS does not operate.
• EBD does not operate.
NOTE:
In addition to the ABS warning light, brake warning light illuminates temporarily. Both warning lights go off on
the recovery of voltage.
ABS-138