# Service bulletin 1808323

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: 10243229
- Published by NHTSA: 2023\-10\-02
- Manufacturer's number: 1808323
- Manufacturer's date: 2023\-08\-03
- NHTSA component: POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE \(TCM/PCM/TECM\)

## NHTSA's summary

Flash: Powertrain Control Module \(PCM\) Updates 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 \(DTCs\) have been set: ? P0420 \- Catalyst System Efficiency Below Threshold Bank 1. ? P0430 \- Catalyst System Efficiency Below Threshold Bank 2. ? P0606 \- Internal Control Processor. Customer may also experience the following: ? While the engine is running, customer may experience a vehicle limp in/home mode \(speed limitation, engine throttle limitation and the ETC light flashing and MIL will be on\) or the vehicle may experience a no\-start condition. NOTE: Associated with DTC: P0606 \- Internal Control Processor. This bulletin involves reprogramming the PCM with the latest available software.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2023/MC-10243229-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2023/MC-10243229-9999.pdf)

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

## Components

Transmission and driveline, Automatic transmission, Transmission control module

## Trouble codes named

P0420, P0430, P0606

## Vehicles listed

- 2018 DODGE DURANGO

## Recalls for the same vehicles and component

- [18V280000](/recalls/nhtsa/18V280000.md), 2018-05-01: POWER TRAIN:AUTOMATIC TRANSMISSION

## Other bulletins for the same vehicles and component

- [1807723](/bulletins/10241122.md), 2023-08-21, Service bulletin: POWER TRAIN; POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE \(TCM/PCM/TECM\); ELECTRICAL SYSTEM. Flash: Powertrain Control Module \(PCM\) Updates 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 \(DTCs\) have been set: ? \*\*P0441 \- EVAP Purge System Performance.\*\* ? P0456 \- EVAP System Small Leak. NOTE: If DTC P0456 is present use the wiTECH Small Leak Verification test \(SLVT\) to determine if a leak is present in the system. ? P06EF \- Engine Restart Performance. This bulletin involves reprogramming the PCM with the latest available software.
- [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
- [21\-047\-17](/bulletins/10217494.md), 2022-08-08, Service bulletin: POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE:SOFTWARE; ELECTRICAL SYSTEM:SOFTWARE; ENGINE AND ENGINE COOLING:ENGINE:ENGINE CONTROL MODULE \(ECU/ECM\):SOFTWARE; POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE \(TCM/PCM/TECM\); ENGINE AND ENGINE COOLING; ELECTRICAL SYSTEM; POWER TRAIN. Flash: Transmission Diagnostic and Shift Enhancements This bulletin involves reprogramming the Transmission Control Module \(TCM\) withthe latest available software. Customers may experience the following:A ?bump? or ?jerk? during a park to driveor park to reverse garage shift immediately after starting the engine.The above symptom/condition can only be duplicated at startup when vehiclehas been shut down for at least 5 minutes. Poor shift quality or ?bump? experienced during or immediatelyafter Engine Stop/Start \(ESS\) restart.
- [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

JSON: [/v1/bulletins/10243229](/v1/bulletins/10243229)

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