# Service bulletin 1807620

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: 10224073
- Published by NHTSA: 2022\-10\-17
- Manufacturer's number: 1807620
- Manufacturer's date: 2020\-11\-03
- NHTSA component: AIR BAGS; FUEL SYSTEM, GASOLINE; BACK OVER PREVENTION; ENGINE AND ENGINE COOLING; EXTERIOR LIGHTING; 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 one or moreof the following Diagnostic Trouble Codes \(DTCs\) has been set:P0339 \- Crankshaft Position Sensor Intermittent. P0335 \- Crankshaft Position Sensor Circuit. P258B \- Electronic Vacuum Pump Performance. 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.The customer may comment on one or more of the following:ECO light does not illuminate in the instrument cluster during Multiple Displacement Solenoid \(MDS\) event. 2\-3 km \(1.4 to 1.9 mph\) difference between cruise set speed and the actual vehicle speed. ?Ready Not Ready? appearing message in the Electronic Vehicle InformationCenter \(EVIC\) while driving and before an Engine Stop Start \(ESS\) event. The engine may exhibit a crank and fail to start situation. Vehicle has a rough idle only after cold start. The radiator cooling fan is stuck on for a long time while driving. Coolant temp/check gauges light illuminated in the Instrument Panel Cluster\(IPC\). In addition, the following software enhancements are also available:Radiator cooling fan operation strategy. Updated electric vacuum pump calibration to reduce pump wear. Small leak detection in\-use monitor performance ratio.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2020/MC-10224073-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2020/MC-10224073-9999.pdf)

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

## Components

Air bags, Driver assistance, Electrical system, Engine, Fuel system, Lighting, Backup camera

## Trouble codes named

P0335, P0339, P0456, P258B

## Vehicles listed

- 2019 RAM 1500

## Recalls for the same vehicles and component

- [20V191000](/recalls/nhtsa/20V191000.md), 2020-09-10: BACK OVER PREVENTION: SENSING SYSTEM: CAMERA

## Other bulletins for the same vehicles and component

- [96C Combo](/bulletins/11023334.md), 2025-09-24, Service campaign: ELECTRICAL SYSTEM; BACK OVER PREVENTION: WARNINGS. Customer Satisfaction Notification 96C – Park Assis Module \- Dealer Notification
- [103289](/bulletins/11014887.md), 2025-03-04, Service bulletin: BACK OVER PREVENTION: WARNINGS; LANE DEPARTURE: BLIND SPOT DETECTION. CAMERA \- REAR VIEW
- [S2208000045 REV.B](/bulletins/11011774.md), 2024-12-11, Service bulletin: BACK OVER PREVENTION: REARVIEW SYSTEM BRAKING. Backup Camera Poor Image Quality Inspection
- [0900124](/bulletins/10251862.md), 2024-03-18, Service bulletin: BACK OVER PREVENTION. Cold Engine Ticking Noise The customer may describe a ticking noise from the exhaust manifold location\(s\) when cold. This bulletin involves replacing the exhaust manifolds.
- [S2025000001](/bulletins/10247967.md), 2024-01-02, Service bulletin: EXTERIOR LIGHTING; BACK OVER PREVENTION. Malfunction Indicator Lamp Illumination \(MIL\). Diagnostic Trouble Code \(DTC\) P203E ? Reductant Level Sensor 1 Circuit Intermittent\-Erratic Set.
- [9003357](/bulletins/10247905.md), 2024-01-02, Service bulletin: BACK OVER PREVENTION. ADAPTER, Engine Oil Filter \(Pentastar V6\) For all 2014MY replace the Oil Filter Adapter \(OFA\). For any other MY \(with mileage above 30,000\) review and follow instructions from STAR Online S1809000007 REV. C available on Dealer Connect. Also, consider the following: 1\) Remove OFA 2\) Replace only the oil inlet O\-ring and gaskets \(seals kit in SOL above\). 3\) Re\-install the OFA. For 2023MY and beyond use black O\-ring. For 2022MY and prior use red O\-ring. Note: When replacing OFA, it may be necessary to transfer the Oil Temp/Pressure Sensor from the old OFA to the new OFA.
- [0901923](/bulletins/10247472.md), 2023-12-18, Service bulletin: BACK OVER PREVENTION. Cold Engine Ticking Noise From Exhaust Manifold Area The customer may describe an ticking noise from the exhaust manifold location\(s\) when cold. This bulletin involves replacing the exhaust manifolds.
- [9100247](/bulletins/10247404.md), 2023-12-18, Service bulletin: BACK OVER PREVENTION; VEHICLE SPEED CONTROL. ERG Hydraulic Tensioner Before replacing any FEAD components, please check FEAD belt layout as per the engine sales code. Customer complaint may include a noise from under the hood described as a squeal, screech, squeak, chirp or belt\-related noise and/or noisy tensioner/pulley. Please refer to SOL\# S2309000007.
- [S2023000037](/bulletins/10243154.md), 2023-10-02, Service bulletin: VISIBILITY:POWER WINDOW DEVICES AND CONTROLS; STRUCTURE:BODY:ROOF AND PILLARS; BACK OVER PREVENTION. Wind Whistle Noise From Dash A Pillar Area While Driving
- [S1808000152](/bulletins/10243131.md), 2023-10-02, Service bulletin: VEHICLE SPEED CONTROL:ACCELERATOR PEDAL; BACK OVER PREVENTION. CEL \(Check Engine Lamp\) Illuminated, P057B Brake Pedal Position Sensor Performance

JSON: [/v1/bulletins/10224073](/v1/bulletins/10224073)

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