# Service bulletins for the 1981 Mack RD

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.

22 bulletins from NHTSA, as of 2026-10-19.

- [KC\-2112](/bulletins/10215315.md), 2022-07-05, Service bulletin: ELECTRICAL SYSTEM; POWER TRAIN; ENGINE AND ENGINE COOLING. Programming Failure \- Chassis With Cummins Engine And An Allison Transmission
- [KC\-2143](/bulletins/10215312.md), 2022-07-05, Service bulletin: VEHICLE SPEED CONTROL. \(Back Office\) \- Cruise Control Inoperative After Updating Software VECU5 Without ESP Package \(UESP\).
- [KC\-745](/bulletins/10215289.md), 2022-07-05, Service bulletin: POWER TRAIN. 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](/bulletins/10215287.md), 2022-07-05, Service bulletin: ENGINE AND ENGINE COOLING. US10 Emission Engines \- Diagnostic Trouble Code \( DTC \) SPN 1231 FMI 9 Troubleshooting.
- [KC\-663](/bulletins/10213658.md), 2022-06-07, Service bulletin: ENGINE AND ENGINE COOLING. Emcon \(Spark Assist\) Engine Aftertreatment System Troubleshooting Check Sheet \- US07 Emissions
- [KC\-653](/bulletins/10213652.md), 2022-06-07, Service bulletin: ENGINE AND ENGINE COOLING. Low Oil Pressure Diagnostic Process For 11 Liter Engines
- [KC\-627](/bulletins/10213644.md), 2022-06-07, Service bulletin: EQUIPMENT. Premium Tech Tool \( PTT \) Training Materials And Support Tools
- [KC\-2172](/bulletins/10213642.md), 2022-06-07, Service bulletin: UNKNOWN OR OTHER; ELECTRICAL SYSTEM. No Start Condition After Over The Air Programing \- VECU5 No Start "Safe State"
- [KC\-2171](/bulletins/10213641.md), 2022-06-07, Service bulletin: ENGINE AND ENGINE COOLING. Temperature Sensor Troubleshooting Guide \- US10\+OBD13 And Newer
- [KC\-2170](/bulletins/10213640.md), 2022-06-07, Service bulletin: SUSPENSION. Electronically Controlled Suspension \(ECS\) Losing Air Pressure
- [KC\-2169](/bulletins/10213639.md), 2022-06-07, Service bulletin: ELECTRICAL SYSTEM. Low Voltage Disconnect \(LVD\), Function Description
- [KC\-2165](/bulletins/10213638.md), 2022-06-07, Service bulletin: ENGINE AND ENGINE COOLING. DEF Pump Troubleshooting Guide \- US10\+OBD13 And Newer Emissions
- [KC\-2161](/bulletins/10213637.md), 2022-06-07, Service bulletin: ENGINE AND ENGINE COOLING. DEF Pump Cycling periodically Hours After Key Off
- [KC\-2158](/bulletins/10213636.md), 2022-06-07, Service bulletin: ENGINE AND ENGINE COOLING. Selective Catalytic Reduction \(SCR\) Muffler Troubleshooting Guide \- US10\+OBD13 And Newer Emissions
- [KC\-2131](/bulletins/10213633.md), 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](/bulletins/10213632.md), 2022-06-07, Service bulletin: ENGINE AND ENGINE COOLING. NOx Sensor Troubleshooting Guide \- US10\+OBD13 And Newer Emissions
- [KC\-626](/bulletins/10213630.md), 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](/bulletins/10213625.md), 2022-06-07, Service bulletin: UNKNOWN OR OTHER; POWER TRAIN. Mack \- PTO Pump Speed Calculator
- [KC\-686](/bulletins/10213612.md), 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](/bulletins/10213609.md), 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](/bulletins/10213608.md), 2022-06-07, Service bulletin: ELECTRICAL SYSTEM. Mack Chassis \- Bendix Vendor Configuration Program \( VCP \) Software Download Information
- [KC\-714](/bulletins/10213605.md), 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

JSON: [/v1/vehicles/1981_mack_rd/bulletins](/v1/vehicles/1981_mack_rd/bulletins)

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