# Service bulletin 21\-038\-24

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: 11001295
- Published by NHTSA: 2024\-06\-07
- Manufacturer's number: 21\-038\-24
- Manufacturer's date: 2024\-05\-23
- NHTSA component: POWER TRAIN; SERVICE BRAKES
- Manufacturer's system: Drivetrain Control Module, Anti\-Lock Brake Systems

## NHTSA's summary

"Flash: Drivetrain Control Module \(DTCM\) Updates \*\*The Technician may experience an Anti\-Lock Brake Systems \(ABS\) code when requesting a Vehicle Scan Report \(VSR\): ● U1767\-87 \- Drivetrain Control Module Node \(DTCM\) Drivetrain1 Missing.\*\* Customers may experience no difference switching between Auto Mode and Sport Mode in the All Wheel Drive \(AWD\) systems during high speed maneuvers or snowy/icy conditions. This bulletin involves reprogramming the DTCM with the latest available software. "

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2024/MC-11001295-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2024/MC-11001295-9999.pdf)

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

## Components

Brakes, Transmission and driveline

## Trouble codes named

U1767

## Vehicles listed

- 2024 DODGE HORNET

## Recalls for the same vehicles and component

- [2025674](/recalls/tc/2025674.md), 2025-12-09: Brakes
- [25V846000](/recalls/nhtsa/25V846000.md), 2025-12-09: SERVICE BRAKES, HYDRAULIC:PEDALS AND LINKAGES
- [24V752000](/recalls/nhtsa/24V752000.md), 2024-10-09: SERVICE BRAKES, HYDRAULIC:PEDALS AND LINKAGES
- [2024589](/recalls/tc/2024589.md), 2024-10-04: Brakes

## Other bulletins for the same vehicles and component

- [S1705000002 REV.A](/bulletins/11013151.md), 2025-01-28, Service bulletin: SERVICE BRAKES. Front Brake Pulsation and/or Clunk Noise
- [18\-038\-24 REV. B](/bulletins/11011917.md), 2024-12-18, Service bulletin: POWER TRAIN. "Flash: Powertrain Control Module \(PCM\) Updates Customers must experience a Malfunction Indicator Lamp \(MIL\) illumination and the vehicle must exhibit/set the following Diagnostic Trouble Codes \(DTCs\): ● \*\*P2601\-00 \- Electric Coolant Pump Control Circuit Performance Stuck Off.\*\* ● P219A \- Bank 1 Air\-Fuel Ratio Imbalance. This bulletin also includes software diagnostic enhancements. This bulletin involves reprogramming the PCM with the latest available software"
- [18\-037\-24 REV. B](/bulletins/11010792.md), 2024-11-25, Service bulletin: POWER TRAIN; ELECTRICAL SYSTEM. "Flash: Powertrain Control Module \(PCM\) Updates Customers must experience a Malfunction Indicator Lamp \(MIL\) illumination and the vehicle must exhibit/set the following Diagnostic Trouble Code \(DTC\): ● P219A \- Bank 1 Air\-fuel Ratio Imbalance. This bulletin involves reprogramming the PCM with the latest available software"
- [18\-038\-24 REV. A](/bulletins/11010480.md), 2024-11-13, Service bulletin: POWER TRAIN. "Flash: Powertrain Control Module \(PCM\) Updates Customers must experience a Malfunction Indicator Lamp \(MIL\) illumination and the vehicle must exhibit/set the following Diagnostic Trouble Code \(DTC\): ● P219A \- Bank 1 Air\-Fuel Ratio Imbalance. \*\*This bulletin also includes software diagnostic enhancements.\*\* This bulletin involves reprogramming the PCM with the latest available software."
- [21\-045\-24 REV. A](/bulletins/11007844.md), 2024-09-17, Service bulletin: POWER TRAIN. "Flash: Transmission Control Module \(TCM\) Updates \- P0610 \- ECU Vehicle Options Mismatch Technicians must experience a Malfunction Indicator Lamp \(MIL\) illumination and the vehicle must exhibit/set the following Diagnostic Trouble Code \(DTC\): ● P0610 \- ECU Vehicle Options Mismatch. This bulletin involves reprogramming the TCM with the latest available software."
- [21\-036\-24 REV. A](/bulletins/11007641.md), 2024-09-10, Service bulletin: POWER TRAIN. "Flash: Transmission Control Module \(TCM\) Updates Customers may experience: ● Shift paddles will not work when the shifter is in Drive. Shift paddles only work when the transmission is in manual mode. "
- [S2308000134 REV.B](/bulletins/11006198.md), 2024-08-08, Service bulletin: FORWARD COLLISION AVOIDANCE: WARNINGS; SERVICE BRAKES. Automatic Emergency Braking \(AEB\) And/Or Forward Collision Warning \(FCW\) Will Shut Off
- [21\-045\-24](/bulletins/11005323.md), 2024-07-30, Service bulletin: POWER TRAIN. "Flash: Transmission Control Module \(TCM\) Updates \- P0610 \- ECU Vehicle Options Mismatch Technicians must experience a Malfunction Indicator Lamp \(MIL\) illumination and the vehicle must exhibit/set the following Diagnostic Trouble Code \(DTC\): ● P0610 \- ECU Vehicle Options Mismatch. NOTE: After performing a BCM reset and proxi alignment of all modules, the check engine light will be on with this DTC. This bulletin involves reprogramming the TCM with the latest available software."
- [S2408000083](/bulletins/11005274.md), 2024-07-26, Service bulletin: POWER TRAIN. Malfunction Indicator Lamp \(MIL\) on, Start Stop Does Not Operate, Vehicle May Not Start
- [99040](/bulletins/11003055.md), 2024-07-03, Warranty extension: ELECTRICAL SYSTEM; STEERING; SERVICE BRAKES; UNKNOWN OR OTHER. Warranty Operations Newsletter – Volume 10, Issue 6

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