Technical Service Bulletin IB09-N-001H — 2023 ISUZU F-SERIES
ELECTRICAL SYSTEM
Bulletin Details
| TSB ID | IB09-N-001H |
| Manufacturer | |
| Vehicle | 2023 ISUZU F-SERIES |
| Component | ELECTRICAL SYSTEM |
| Communication Date |
Bulletin Summary
INFORMATION BULLETIN: THE INFORMATION SET FORTH IN THIS BULLETIN IS INTENDED TO AID TECHNICIANS IN PROPERLY TESTING THE BATTERIES AND ALTERNATORS IN THE AFFECTED ISUZU VEHICLES. IT IS IMPORTANT TO CONFIRM THE BATTERY IS IN GOOD CONDITION PRIOR TO DIAGNOSIS OF THE ALTERNATOR AND CHARGING SYSTEM. NEVER REPLACE AN ALTERNATOR BEFORE TESTING THE BATTERY’S CONDITION. BATTERIES MUST BE FULLY CHARGED FOR THE ECM AND/OR STARTER RELAY TO FULLY ENGAGE WITH THE STARTER. IF THE BATTERY VOLTAGE IS LOW, THE ECM WILL NOT ENGAGE OR MAY PARTIALLY ENGAGE THE STARTER. REPLACE THE ALTERNATOR ONLY IF IT FAILS THE ON VEHICLE TESTING PROCEDURE.
About Technical Service Bulletins
A Technical Service Bulletin (TSB) is a document issued by a vehicle manufacturer to its dealers, describing a known issue with a specific vehicle or set of vehicles and the recommended procedure to fix it. Unlike recalls, TSBs are not mandatory and are typically only performed if an owner reports the related issue. However, TSBs can be an indicator of common problems with a vehicle.
Other TSBs for the 2023 ISUZU F-SERIES
IB24-R-001a
FORWARD COLLISION AVOIDANCE: WARNINGS
SB24-J-001
ENGINE
CB23-J-004
ENGINE AND ENGINE COOLING
CB23-N-003
ELECTRICAL SYSTEM
CB23-J-003
ENGINE AND ENGINE COOLING
IB18-N-003C
ENGINE AND ENGINE COOLING
IB22-X-002A
EQUIPMENT