# Service bulletin KC\-206

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.

- Type: Service bulletin
- NHTSA id: 10206238
- Published by NHTSA: 2022\-01\-08
- Manufacturer's number: KC\-206
- Manufacturer's date: 2021\-12\-08
- NHTSA component: VEHICLE SPEED CONTROL

## NHTSA's summary

Vehicle Speed Factor \(K\-Factor\) Programming \- Speed Factor Value Incorrect When Calculated In Premium Tech Tool \(PTT\); Speedometer Reading Incorrectly Following A Change To Vehicle Speed Factor \- US17\+OBD16 And Newer Emissions, Common Model Year 2018

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2021/MC-10206238-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2021/MC-10206238-9999.pdf)

The document is the manufacturer's. This site does not hold it.

## Components

Throttle and cruise control

## Vehicles listed

- 2018 MACK ANTHEM \(AN\)
- 2018 MACK CHU
- 2018 MACK CXU
- 2018 MACK GRANITE \(GR\)
- 2018 MACK GRANITE \(GU\)
- 2018 MACK GU
- 2018 MACK LR
- 2018 MACK MRU
- 2018 MACK PINNACLE \(CHU\)
- 2018 MACK PINNACLE \(CXU\)
- 2018 MACK PINNACLE \(PI/PN\)
- 2018 MACK TD
- 2018 MACK TERRAPRO \(LEU/MRU\)
- 2018 MACK TERRAPRO \(MRU\)
- 2018 MACK TERRAPRO \(TE\)
- 2018 MACK TITAN \(TD\)

## Other bulletins for the same vehicles and component

- [CBR 820\-9 202601](/bulletins/11028051.md), 2026-02-03, Service bulletin: ENGINE; VEHICLE SPEED CONTROL. CBR \- Mack Chassis \- Engine Brake Only Works With The Brake Pedal, No Function During Cruise. US07 And Newer Emissions, Model Year 2008 And Newer.
- [CBR\-2383 202406](/bulletins/11003042.md), 2024-07-03, Service bulletin: UNKNOWN OR OTHER; ELECTRICAL SYSTEM; VEHICLE SPEED CONTROL. CBR \- Accelerator Pedal: Inspection Instructions
- [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\-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 \(ESP\)
- [K01435609](/bulletins/10161916.md), 2019-07-01, Service bulletin: ELECTRICAL SYSTEM; VEHICLE SPEED CONTROL. Adaptive Cruise Control ECU Fault In The Driver Information Display \(DID\) At Start Up; "Missing Communication From Adaptive Cruise Control ECU" Message In Cluster \(MID 140 PSID 211 FMI 9\) \- Model Year 2018 And Newer
- [K93482141](/bulletins/10145531.md), 2018-10-15, Service bulletin: ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL; VEHICLE SPEED CONTROL. Vehicle Overspeed Warning Comes Active At A Lower Speed Than Expected; Vehicle Overspeed Warning In Driver Information Display \(DID\) \- Model Year 2018 And Newer With New Style Instrument Cluster
- [K12902414](/bulletins/10138726.md), 2018-05-29, Service bulletin: ENGINE; VEHICLE SPEED CONTROL:CRUISE CONTROL. Engine Speed Does Not Ramp Up From Body Builder Module Request; Requests Sent Via Data Link / Body Link Connector, Not By Switch Or Hardwired Circuit \- Generation 2 \(INT\-GEN2\) And Newer \(Commonly Model Year 2018\)

JSON: [/v1/bulletins/10206238](/v1/bulletins/10206238)

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