Complaints over time
Complaints about the 1994 Mack CH peaked in 1996, with 1 filed
Owner complaints about this model year, by the year they were filed with NHTSA.
Source: NHTSA ODI complaints file. The lighter column runs through October.
Model year
1994 Mack CH
Heavy truck, diesel, built in United States. Owner complaints on file from Jan 26, 1996 to Jan 26, 1996.
Recall campaigns covering this model year11,224 vehicles or units across those campaigns
Owner complaints1Close to the median 1994 heavy truck
Severity index0.01994 heavy trucks average 0.0
First 24 months0Complaints in its first two years
Components
100% of complaints about the 1994 Mack CH name powertrain
Owner complaints by component. Hover or focus a bar for the crash, fire, injury or death count.
Source: NHTSA ODI complaints file. A complaint can name more than one component; it is counted under the first.
Recalls
One recall campaign covers the 1994 Mack CH
Check a specific vehicle by VIN on NHTSA's site: a campaign may cover only part of a model year's production.
| Campaign | Filed | Subject | Component | Vehicles | Remedy |
|---|---|---|---|---|---|
| 95E-003-010 | Jun 27, 1995 | Air system blockage in the air dryer occurs degrading the moisture removing capabilities of the dryer when the vehicle is operated in a cold… | Brakes | 1,224 | Not stated |
Source: NHTSA ODI recalls file.
Owner complaints
What owners reported about the 1994 Mack CH
The full text of every complaint filed with NHTSA about this model year, newest first. Complaints are filed by owners and are not verified by NHTSA; NHTSA removes personal details before publishing.
1 complaint on file, page 1 of 1.
- Filed Jan 26, 1996Failure Jan 19, 1996Vernon, NYClutch assembly
CLUTCH WILL NOT DISENGAGE. THIS CAUSED TRUCK TO CAME IN MOTION AND NOT STOP. PLEASE DESCRIBE DETAILS. TT
NHTSA complaint 978272
Source: NHTSA ODI complaints file.
Investigations
NHTSA has not opened an investigation on this model year
Source: NHTSA ODI investigations file.
Service bulletins
27 manufacturer communications cover this model year
Technical service bulletins and other notices the manufacturer sent to dealers. A bulletin is not a recall.
- KC-153 Feb 2, 2023 · Service Bulletin/Repair Instructions
Mack Chassis - SB - 230 - 001 V-MAC I To V-MAC II Conversion Kit - M-811-001 Aug 6, 2022 · Service Bulletin/Repair Instructions
2009 Document reformatted to be published as a TSB in Impact. Day cab Conversion Closure Panel - KC-2112 Jun 21, 2022 · Service Bulletin/Repair Instructions
Programming Failure - Chassis With Cummins Engine And An Allison Transmission - KC-2143 Jun 21, 2022 · Service Bulletin/Repair Instructions
(Back Office) - Cruise Control Inoperative After Updating Software VECU5 Without ESP Package (UESP). - KC-745 Jun 22, 2022 · Service Bulletin/Repair Instructions
Automated Manual Transmission ( AMT ) I-Shift / mDRIVE - Ribbon Harness Replacement - Speed Sensor Bolts, Possible Fault Codes P1058 - 21 Or MID 130 PID 161 FMI 1 - KC-750 Jun 28, 2022 · Service Bulletin/Repair Instructions
US10 Emission Engines - Diagnostic Trouble Code ( DTC ) SPN 1231 FMI 9 Troubleshooting. - KC-663 May 18, 2022 · Service Bulletin/Repair Instructions
Emcon (Spark Assist) Engine Aftertreatment System Troubleshooting Check Sheet - US07 Emissions - KC-653 May 17, 2022 · Service Bulletin/Repair Instructions
Low Oil Pressure Diagnostic Process For 11 Liter Engines - KC-627 May 9, 2022 · Service Bulletin/Repair Instructions
Premium Tech Tool ( PTT ) Training Materials And Support Tools - KC-2172 May 16, 2022 · Service Bulletin/Repair Instructions
No Start Condition After Over The Air Programing - VECU5 No Start "Safe State" - KC-2171 May 26, 2022 · Service Bulletin/Repair Instructions
Temperature Sensor Troubleshooting Guide - US10+OBD13 And Newer - KC-2170 May 16, 2022 · Service Bulletin/Repair Instructions
Electronically Controlled Suspension (ECS) Losing Air Pressure - KC-2169 May 16, 2022 · Service Bulletin/Repair Instructions
Low Voltage Disconnect (LVD), Function Description - KC-2165 May 26, 2022 · Service Bulletin/Repair Instructions
DEF Pump Troubleshooting Guide - US10+OBD13 And Newer Emissions - KC-2161 May 13, 2022 · Service Bulletin/Repair Instructions
DEF Pump Cycling periodically Hours After Key Off - KC-2158 May 26, 2022 · Service Bulletin/Repair Instructions
Selective Catalytic Reduction (SCR) Muffler Troubleshooting Guide - US10+OBD13 And Newer Emissions - KC-2131 May 26, 2022 · Service Bulletin/Repair Instructions
USE FOR NEW VEHICLES (US21+OBD22 Emissions) - Intermittent Diagnostic Trouble Codes U02A3, U029D, U029E - KC-2116 May 26, 2022 · Service Bulletin/Repair Instructions
NOx Sensor Troubleshooting Guide - US10+OBD13 And Newer Emissions - KC-626 May 9, 2022 · Service Bulletin/Repair Instructions
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 May 17, 2022 · Service Bulletin/Repair Instructions
Mack - PTO Pump Speed Calculator - KC-686 May 20, 2022 · Service Bulletin/Repair Instructions
(Back Office Only) Mack Chassis - Cruise Control Inoperative After Disabling The Electronic Stability Program (ESP) - KC-698 May 24, 2022 · Service Bulletin/Repair Instructions
Mack Chassis - Diesel Exhaust Fluid ( DEF ) System Cleaning/Flush After DEF Pump Failure Or System Contamination - KC-699 May 24, 2022 · Service Bulletin/Repair Instructions
Mack Chassis - Bendix Vendor Configuration Program ( VCP ) Software Download Information - KC-714 May 25, 2022 · Service Bulletin/Repair Instructions
Mack Chassis - Diagnostic Trouble Codes ( DTC's ) - P020113, P020213, P020313, P020413, P020513, P020613, Cylinders 1 Through 6 Injector A Open Circuit - KC-153 Nov 1, 2021 · Service Bulletin/Repair Instructions
SB - 230 - 001 V-MAC I To V-MAC II Conversion Kit - P-1670 Sep 18, 2008 · Service Bulletin/Repair Instructions
MACK TRUCK: UNIT INJECTOR AND EXHAUST ROCKER ARMS, COMBUSTION SEALING WASHER AND UNIT INJECTOR YOKE REPLACEMENT. MODEL AND MODEL YEARS UNKNOWN. *PE - 09B014 Feb 18, 1997 · Service Bulletin/Repair Instructions
POWER STEERING SEAL UPDATE SHEPPARD M100 STEERING GEAR USED ON CH MODEL. *TW
Source: NHTSA manufacturer communications files.