Ihc S1700, S2100 +5 more: Electrical

Affects Ihc S1700, S2100, S1600, S2000, S1900, S1800, Cargostar · 1981–1987 — about 12K vehicles.

The hazard

ON S-SERIES TRUCKS EQUIPPED WITH HYDRAULIC BRAKES AND ELECTRIC ENGINE SHUTOFF AND CARGOSTAR TRUCKS EQUIPPED WITH HYDRO-MAX HYDRAULIC BRAKES, THE BRAKES MAY FAIL DUE TO AN ELECTRICAL FAILURE FROM THE MAIN POWER FEED OF THE ALTERNATOR. THIS IS A COMMON POWER SOURCE FOR THE ENGINE AND THE ELECTRIC MOTOR FOR THE BRAKE BACK-UP SYSTEM. ELECTRICAL FAILURE COULD RESULT IN A NEAR NO-BRAKE SITUATION AND CAUSE THE VEHICLE TO CRASH WITHOUT PRIOR WARNING. CORRECTION: SEPARATE ENGINE AND BRAKE BACK-UP CIRCUITS WILL BE PROVIDED.

What to do

Contact your dealer; the remedy details were not included in the filing.

Critical — crash/injury risk now High — injury risk; see remedy Moderate — fix at next service Low — minor / informational