Service bulletins for the 2003 Mack CHN
A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.
57 on file from NHTSA, as of 2026-10-19.
By type
By component
By trouble code
| KC-2131 | 2022-06-07. Service bulletin. ENGINE AND ENGINE COOLING. USE FOR NEW VEHICLES (US21+OBD22 Emissions) - Intermittent Diagnostic Trouble Codes U02A3, U029D, U029E |
|---|---|
| KC-2116 | 2022-06-07. Service bulletin. ENGINE AND ENGINE COOLING. NOx Sensor Troubleshooting Guide - US10+OBD13 And Newer Emissions |
| KC-626 | 2022-06-07. Service bulletin. POWER TRAIN. Mack Chassis - Vehicles Equipped With An Automated Manual Transmission Model F ( AMT-F, mDrive ), Premium Tech Tool ( PTT ) Gearbox Calibration Failure; Gearbox Calibration Operation Stops And Fails At 33% When Run With Transmission Removed |
| KC-648 | 2022-06-07. Service bulletin. UNKNOWN OR OTHER; POWER TRAIN. Mack - PTO Pump Speed Calculator |
| KC-686 | 2022-06-07. Service bulletin. VEHICLE SPEED CONTROL; ELECTRONIC STABILITY CONTROL:AUTOMATIC (ASC). (Back Office Only) Mack Chassis - Cruise Control Inoperative After Disabling The Electronic Stability Program (ESP) |
| KC-698 | 2022-06-07. Service bulletin. ENGINE AND ENGINE COOLING. Mack Chassis - Diesel Exhaust Fluid ( DEF ) System Cleaning/Flush After DEF Pump Failure Or System Contamination |
| KC-699 | 2022-06-07. Service bulletin. ELECTRICAL SYSTEM. Mack Chassis - Bendix Vendor Configuration Program ( VCP ) Software Download Information |
| KC-714 | 2022-06-07. Service bulletin. ENGINE AND ENGINE COOLING. Mack Chassis - Diagnostic Trouble Codes ( DTC's ) - P020113, P020213, P020313, P020413, P020513, P020613, Cylinders 1 Through 6 Injector A Open Circuit |
| KC-593 | 2022-05-05. Service bulletin. EQUIPMENT; SERVICE BRAKES, AIR. V-MAC - ABS Malfunction Lamp On - ( Eaton ABS Active Code 17-10 / Arvin Meritor Wabco Active Code 7-4 ) |
| K12034241 | 2019-02-19. Service bulletin. ENGINE. Diagnosing Performance Complaints ASET Engine |
| K12741884 | 2019-02-19. Service bulletin. ELECTRICAL SYSTEM. V-MAC III Service Software Displays Runtime Error 400 - Form Already Displayed (Modality) |
| K59403006 | 2019-02-19. Service bulletin. ELECTRICAL SYSTEM. V-MAC - DP - Error message #34 - Software Doesn't Match What Is In The ECU |
| K35724485 | 2019-02-19. Service bulletin. ELECTRICAL SYSTEM. V-MAC DP - Error message #13 - Access Denied, Password Incorrect |
| K44520645 | 2019-02-19. Service bulletin. ELECTRICAL SYSTEM. V-MAC - Error message #10 - Password Mismatch |
| K33864441 | 2019-02-19. Service bulletin. ELECTRICAL SYSTEM. V-MAC - Vehicle Configeration Parameters Recovery |
| K32398290 | 2019-02-19. Service bulletin. ELECTRICAL SYSTEM. V-MAC III - PTO Does Not Operate |
| K75115306 | 2019-02-19. Service bulletin. ENGINE AND ENGINE COOLING. V-MAC III Engine Cranks But No Start |
| K00539104 | 2019-02-19. Service bulletin. ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL. V-MAC - Speedometer Not working After Reprograming |
| K10355880 | 2019-02-19. Service bulletin. ENGINE AND ENGINE COOLING. V-MAC III - Severe Engine Stumble |
| K83741526 | 2019-02-19. Service bulletin. ENGINE AND ENGINE COOLING. V-MAC - Jacobs Engine Brake Works Intermittently Between 2000 To 2100 RPM |
| K26111730 | 2019-02-19. Service bulletin. EQUIPMENT:ELECTRICAL. V-MAC III - Smart Fan Will Not Disengage |
| K72614548 | 2018-03-19. Service bulletin. ELECTRICAL SYSTEM. Diagnostic Trouble Code ( DTC ) P02FA Illuminating The Malfunction Indicator Lamp (MIL) - US17 (GHG17, Common Rail Fuel System) Chassis ONLY |
| K01050303 | 2018-03-19. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. Diagnostic Trouble Code ( DTC ) P0471 Illuminating The Malfunction Indicator Lamp (MIL) - US17 (GHG17, Common Rail Fuel System) Chassis ONLY |
| K04342327 | 2018-03-19. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. Diagnostic Trouble Code ( DTC ) P0420 Illuminating The Malfunction Indicator Lamp (MIL) - US17 (GHG17, Common Rail Fuel System) Chassis ONLY |
| K58557784 | 2018-03-19. Service bulletin. FUEL SYSTEM, GASOLINE; ELECTRICAL SYSTEM. Fuel Injector Offset Learning Diagnostic Trouble Codes ( DTC ) / Fault Codes Logged In Engine Control Module ( EMS ); Possible Rough / Uneven Idle - OBD15 Chassis |
The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.