# Service bulletin 18\-073\-19

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: 10168467
- Published by NHTSA: 2019\-12\-02
- Manufacturer's number: 18\-073\-19
- Manufacturer's date: 2019\-10\-17
- NHTSA component: POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE \(TCM/PCM/TECM\); ELECTRICAL SYSTEM

## NHTSA's summary

Flash: Powertrain Control Module \(PCM\) Updates This bulletin involves reprogramming the PCM with the latest available software. Customers may experience a Malfunction Indicator Lamp \(MIL\) illumination. Upon further investigation the technician may find that the following Diagnostic Trouble Code \(DTC\) has been set: P0456 \- EVAP System Small Leak.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2019/MC-10168467-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2019/MC-10168467-9999.pdf)

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

## Components

Electrical system, Transmission and driveline, Automatic transmission, Transmission control module

## Trouble codes named

P0456

## Vehicles listed

- 2019 DODGE CHALLENGER

## Other bulletins for the same vehicles and component

- [S1808000152](/bulletins/10234438.md), 2023-04-17, Service bulletin: POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE \(TCM/PCM/TECM\). CEL \(Check Engine Lamp\) Illuminates, Recent PCM Replace or Flash Update Performed, Diagnostic Trouble Codes \(DTCs\) P057B Brake Pedal Position Sensor Circuit Performance, P1572 Brake Pedal Stuck, C0042\-54 Brake Pedal Missing Calibration
- [1807422](/bulletins/10228027.md), 2022-12-19, Service bulletin: POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE:SOFTWARE; EXTERIOR LIGHTING; BACK OVER PREVENTION; ELECTRICAL SYSTEM:WIRING:POSITION/LIMIT SENSOR/SWITCH; ELECTRICAL SYSTEM; POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE \(TCM/PCM/TECM\). Flash: Powertrain Control Module \(PCM\) Updates This bulletin involves reprogramming the PCM with the latest available software. Customers may experience a Malfunction Indicator Lamp \(MIL\) illumination. Upon further investigation the technician may find that one or moreof the following DTCs have been set: P0452 \- EVAP Pressure Switch Stuck Closed. P0455 \- EVAP System Large Leak. P0440 \- General EVAP System Failure. P0456 \- EVAP System Small Leak.If DTC P0456 is present use the wiTECH Small Leak VerificationTest \(SLVT\) to determine if a leak is present in the system. Customers may also comment on one or more of the following: Vehicle will fail to start when cold at times. Noise heard from the drivetrain while stationary and vehicle is in Sport/Track modes.
- [1806422](/bulletins/10223211.md), 2022-10-17, Service bulletin: POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE \(TCM/PCM/TECM\); ELECTRICAL SYSTEM. Flash: Powertrain Control Module \(PCM\) Updates This bulletin involves reprogramming the PCM with the latest available software. Customers may experience a Malfunction Indicator Lamp \(MIL\) illumination. Upon further investigation the technician may find that one or moreof the following DTCs have been set: P0452 \- EVAP Pressure Switch Stuck Closed. P0455 \- EVAP System Large Leak. P0440 \- General EVAP System Failure. P0456 \- EVAP System Small Leak.If DTC P0456 is present use the wiTECH Small Leak Verification test \(SLVT\) to determine if a leak is present in the system. Customers may also experience the following:Vehicle willfail to start when cold at times. Noise heard from the drivetrain while stationary and vehicle is in Sport/Trackmodes. Extended engine crank times.
- [S1508000323REVA](/bulletins/10220872.md), 2022-09-26, Service bulletin: POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE \(TCM/PCM/TECM\). PCM Sets DTC P1400\-Aftermarket Calibration Detected/Warranty Coverage Confirmation Required
- [1806422](/bulletins/10220829.md), 2022-09-26, Service bulletin: ENGINE AND ENGINE COOLING; POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE \(TCM/PCM/TECM\). Flash: Powertrain Control Module \(PCM\) Updates This bulletin involves reprogramming the PCM with the latest available software. Customers may experience a Malfunction Indicator Lamp \(MIL\) illumination. Upon further investigation the technician may find that one or moreof the following DTCs have been set: P0452 \- EVAP Pressure Switch Stuck Closed. P0455 \- EVAP System Large Leak. P0440 \- General EVAP System Failure. P0456 \- EVAP System Small Leak.If DTC P0456 is present use the wiTECH Small Leak Verification test \(SLVT\) to determine if a leak is present in the system. Customers may also experience the following:Vehicle willfail to start when cold at times. Noise heard from the drivetrain while stationary and vehicle is in Sport/Trackmodes. Extended engine crank times.
- [1806622](/bulletins/10220828.md), 2022-09-26, Service bulletin: POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE \(TCM/PCM/TECM\). Flash: Powertrain Control Module \(PCM\) Updates This bulletin involves reprogramming the PCM with the latest available software. Customers may experience a Malfunction Indicator Lamp \(MIL\) illumination. Upon further investigation the technician may find that one or moreof the following DTCs have been set: P0452 \- EVAP Pressure Switch Stuck Closed. P0455 \- EVAP System Large Leak. P0440 \- General EVAP System Failure. P0456 \- EVAP System Small Leak.If DTC P0456 is present use the wiTECH Small Leak Verification test \(SLVT\) to determine if a leak is present in the system. Customers may also experience one or more of the following: Vehicle will fail to start when cold at times. Noise heard from the drivetrain while stationary and vehicle is in Sport/Trackmodes. Extended engine crank times.
- [1806622](/bulletins/10212432.md), 2022-05-31, Service bulletin: POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE \(TCM/PCM/TECM\). Flash: Powertrain Control Module \(PCM\) Updates This bulletin involves reprogramming the PCM with the latest available software. Customers may experience a Malfunction Indicator Lamp \(MIL\) illumination. Upon further investigation the technician may find that one or moreof the following DTCs have been set: P0452 \- EVAP Pressure Switch Stuck Closed. P0455 \- EVAP System Large Leak. P0440 \- General EVAP System Failure. P0456 \- EVAP System Small Leak.If DTC P0456 is present use the wiTECH Small Leak Verification test \(SLVT\) to determine if a leak is present in the system. Customers may also experience one or more of the following: Vehicle will fail to start when cold at times. Noise heard from the drivetrain while stationary and vehicle is in Sport/Trackmodes. Extended engine crank times.
- [9004509](/bulletins/10212248.md), 2022-05-31, Service bulletin: POWER TRAIN:AUTOMATIC TRANSMISSION:FLUID/LUBRICANT:FILTER/SCREEN. Oil Filter If a Mopar Oil Filter is not available, use a filter that meets or exceeds USCAR36 specification and is compatible with semi and full synthetic oils. Recommended Brands: Wix, Purolator, and NapaGold
- [18\-106\-20](/bulletins/10187697.md), 2021-03-01, Service bulletin: ENGINE; EQUIPMENT; POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE \(TCM/PCM/TECM\); ELECTRICAL SYSTEM. Flash: Powertrain Control Module \(PCM\) Updates This bulletin involves reprogramming the PCM with the latest available software. Customers may experience a Malfunction Indicator Lamp \(MIL\) illumination. Upon further investigation the technician may find one or more of the following Diagnostic Trouble Codes \(DTCs\):P0420 \- Catalyst System Efficiency Below Threshold Bank 1 P0430 \- Catalyst System Efficiency Below Threshold Bank 2. Customers may also describe the following: Hearing a pre\-detonation noise \(Spark Knock\) sound in the engine during acceleration.
- [S2008000135](/bulletins/10180236.md), 2020-09-28, Service bulletin: ENGINE; POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE \(TCM/PCM/TECM\); ELECTRICAL SYSTEM:SOFTWARE. MIL Lamp On Engine Runs Rough, DTC P0306 Cylinder Number Six Misfire

JSON: [/v1/bulletins/10168467](/v1/bulletins/10168467)

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