Technical Service Bulletin PI 0870 — 2017 MACK MRU
ENGINE
Bulletin Details
| TSB ID | PI 0870 |
| Manufacturer | |
| Vehicle | 2017 MACK MRU |
| Component | ENGINE |
| Communication Date |
Bulletin Summary
ENGINE CONTROL MODULE (ECM), REPROGRAMMING. CERTAIN MACK MRU TRUCKS BUILT FROM 01/01/2016 TO 07/23/2016, AND EQUIPPED WITH A CUMMINS ISL ENGINE MAY EXPERIENCE IMPROPER OPERATION OF THE ENGINE COOLING FAN WHILE THE A/C SYSTEM IS IN OPERATION. REPROGRAMMING OF MULTIPLE CUMMINS ENGINE CONTROL MODULE (ECM) PARAMETERS ARE REQUIRED TO RESOLVE THIS ISSUE. FOLLOW THE REPAIR PROCEDURE OUTLINED IN THIS PRODUCT IMPROVEMENT (PI) TO REPROGRAM THE PARAMETER SETTINGS IN THE ECM.
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 2017 MACK MRU
M-823-002
STRUCTURE
M-563-001
PARKING BRAKE
KC-475
ELECTRICAL SYSTEM
KC-112
ENGINE AND ENGINE COOLING:ENGINE:ENGINE CONTROL MODULE (ECU/ECM):SOFTWARE
K95422063
ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:GAS RECIRCULATION VALVE (EGR VALVE)
K15325424
ELECTRICAL SYSTEM:SOFTWARE
K76992557
FUEL SYSTEM, GASOLINE
PI 0870
ELECTRICAL SYSTEM:SOFTWARE