# Service bulletin 1806520

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: 10221882
- Published by NHTSA: 2022\-09\-26
- Manufacturer's number: 1806520
- Manufacturer's date: 2020\-08\-22
- NHTSA component: POWER TRAIN; ELECTRICAL SYSTEM

## NHTSA's summary

Flash: Powertrain Control Module \(PCM\) Updates This bulletin involves reprogramming the PCM with updated software. Customers may experience a Malfunction Indicator Lamp \(MIL\) illumination. Upon further investigation the technician may find that the followingDiagnostic Trouble Code \(DTC\) has been set: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. In addition, customers may experience the following concern: An unpleasant odor in the vehicle under certain extreme ambient conditions\(Police Group \(Sales Code AHB\) or Special Service Group \(Sales Code AHV\) only\).

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2020/MC-10221882-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2020/MC-10221882-9999.pdf)

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

## Components

Electrical system, Transmission and driveline

## Trouble codes named

P0456

## Vehicles listed

- 2019 DODGE CHARGER

## Recalls for the same vehicles and component

- [19V203000](/recalls/nhtsa/19V203000.md), 2019-03-14: ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL

## Other bulletins for the same vehicles and component

- [S2621000004](/bulletins/11038329.md), 2026-10-07, Service bulletin: POWER TRAIN. The Customer May Complain About a Popping Noise, Grinding Noise, or an Intermittent No Reverse or Forward Transmission Engagement. The Tech May Find Damaged and/or Worn Transmission Output Shaft Splines \(850RE Transmission Only\)
- [S2621000003 REV.A](/bulletins/11030138.md), 2026-03-18, Service bulletin: POWER TRAIN. The vehicle will exhibit a service transmission/check engine warning indicator for the following transmission models: 845RE, 8HP45, 850RE, 8HP50, 8HP70, 8HP75, 8HP75\-PHEV, 8HP75\-LCV, 8HP90, 8HP95. Transmissions may exhibit the following diagnostic codes: P07E4, P1DB2, P0716, P1B14, P0733, P1D90, P1DB7, P1B13.
- [S2608000010](/bulletins/11030042.md), 2026-03-13, Service bulletin: ELECTRICAL SYSTEM. Active Diagnostic Trouble Code \(DTC\) B1A10\-00, B1A11\-00, B1A12\- 00, B1A13\-00\-, B1A14\-00, B1A15\-00, B1A16\-00, and B1A17\-00 in The Radio Frequency Hub \(RFH\)
- [S1408000384 REV.J](/bulletins/11030035.md), 2026-03-13, Service bulletin: ELECTRICAL SYSTEM. Start Stop Charging Warning Lamp Illuminated On, Intelligent Battery Sensor \(IBS\) State of Charge \(SOC\) Inaccurate, Battery Charging Message, Presence of IBS related Diagnostic Trouble Codes \(DTCs\), or Battery Warning Lamp On
- [S1408000384 REV.I](/bulletins/11028904.md), 2026-02-19, Service bulletin: ELECTRICAL SYSTEM. Start Stop Charging Warning Lamp Illuminated On, Intelligent Battery Sensor \(IBS\) State of Charge \(SOC\) Inaccurate, Battery Charging Message, Presence of IBS Related Diagnostic Trouble Codes \(DTCs\), or Battery Warning Lamp On
- [9100735](/bulletins/11026651.md), 2025-12-17, Service bulletin: ELECTRICAL SYSTEM. Verify "Z" part number availability. Order a "Z" part number for all Exchange Orders: Warranty, Mopar, Customer pay and Service contract. Order"68" part number for New unsold units only
- [S2208000138 REV.B](/bulletins/11020600.md), 2025-07-09, Service bulletin: ELECTRICAL SYSTEM. Decreased Remote Start And RKE Range. Tire Pressure Sensors Values Are Not Displayed
- [S2323000002 REV.A](/bulletins/11018447.md), 2025-05-19, Service bulletin: ELECTRICAL SYSTEM. "Washer Light On And Will Not Turn Off After Adding Washer Solvent."
- [S1408000384 REV.H](/bulletins/11013171.md), 2025-01-28, Service bulletin: ELECTRICAL SYSTEM. Start Stop Charging Warning Lamp Illuminated On, Intelligent Battery Sensor \(IBS\) State of Charge \(SOC\) Inaccurate, Battery Charging Message, Presence of IBS Related Diagnostic Trouble Codes \(DTCs\), or Battery Warning Lamp On
- [S1408000384 REV.G](/bulletins/11012777.md), 2025-01-09, Service bulletin: ELECTRICAL SYSTEM. Start Stop Charging Warning Lamp Illuminated On, Intelligent Battery Sensor \(IBS\) State of Charge \(SOC\) Inaccurate, Battery Charging Message, Presence of IBS related Diagnostic Trouble Codes \(DTCs\), or Battery Warning Lamp On

JSON: [/v1/bulletins/10221882](/v1/bulletins/10221882)

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