Service bulletin 14-007-21

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.

The communication, as NHTSA indexes it (as of 2026-10-19)
Type	Service bulletin
NHTSA id	10218582
Published by NHTSA	2022-08-22
Manufacturer's number	14-007-21
Manufacturer's date	2021-08-19
NHTSA component	FUEL SYSTEM, GASOLINE; BACK OVER PREVENTION; EXTERIOR LIGHTING; FUEL SYSTEM, DIESEL; WHEELS

NHTSA's summary

3.0L Diesel Crankshaft Tone Wheel Loss of Signal - X94 Warranty Extension This bulletin involves replacing the crankshaft tone wheel. Customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation, a technician may find one or more of the following Diagnostic Trouble Codes (DTCs) have been set: P0335-00 - Crankshaft Position Sensor Circuit. P0336-00 - Crankshaft Position Sensor Performance. Customers may also comment on one or more of the following: The vehicle will not accelerate quickly over 80 kph (50 mph) (vehicle is in limp mode). Vehicle periodically stalls.This symptom/condition is caused from missing magnetic material on the crankshaft tone wheel

The document

The document is the manufacturer's. This site does not hold it. NHTSA files a document at one of these two addresses; we have not asked NHTSA which.

Components

Driver assistance, Fuel system, Lighting, Wheels, Backup camera

Trouble codes named

P0335, P0336

Vehicles listed
RAM 1500	2014, 2015, 2016, 2017, 2018

Listing a model year does not mean every vehicle of it is concerned: the document says which.

Recalls for the same vehicles and component
18V398000	2018-06-14. BACK OVER PREVENTION: SENSING SYSTEM: CAMERA

A recall listed here may apply to some of the same vehicles. Only the manufacturer can say whether it applies to one vehicle.

Other bulletins for the same vehicles and component
103289	2025-03-04. Service bulletin. CAMERA - REAR VIEW
S2025000001	2024-01-02. Service bulletin. Malfunction Indicator Lamp Illumination (MIL). Diagnostic Trouble Code (DTC) P203E ? Reductant Level Sensor 1 Circuit Intermittent-Erratic Set.
9003357	2024-01-02. Service bulletin. 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.
S1808000152	2023-10-02. Service bulletin. CEL (Check Engine Lamp) Illuminated, P057B Brake Pedal Position Sensor Performance
S2025000001	2023-04-17. Service bulletin. Malfunction Indicator Lamp Illumination (MIL). Diagnostic Trouble Code (DTC) P203E ? Reductant Level Sensor 1 Circuit Intermittent-Erratic Set.
0809614	2023-02-21. Service bulletin. Uconnect Access Buttons On The Rear View Mirror Are Inoperative
08-008-23	2023-02-13. Service bulletin. UAS and UCS Radio Enhancements Customers may experience one or more of the following: Wi-Fi hotspot connection failure. Speaker popping, crackle noise during Voice Recognition (VR) response and navigation guidance. Mobile Station Integrated Services Digital Network (MSISDN) missing from radio, no connected services working. Wireless connectivity pairing and/or connection issues. Lost radio presets. Radio channels change by itself. SXMT icon inoperative. SXMT favorite song not displaying/playing. High pitch squeal, pop or hum noise from speakers. Anti-theft code request message. Lines appear across screen. Radio will not switch modes between AM, FM, SAT or Media. Performance control home screen shows ?Norm? mode for engine/transmission even when the vehicle is in ?Drag? mode (LA, LD, LX only). Can not change the time on the clock (LA, LD and LX only). USB hub inoperable (D-Trucks only). Backup camera gridlines missing (D-Trucks only). Device not supported message (D-Trucks only). Remote app inoperative (D-Trucks only). Unable to adjust volume (D-Trucks only). Heated steering wheel inoperable (D-Trucks only). In addition, the following enhancement are included in this update: CarplayT connectivity improvements. Improvement to wireless connectivity phone pairing. Improved sound quality when using a wireless connectivity phone. This bulletin involves inspecting and if required, updating the radio software level to 40.1. Depending on the radio?s current software level the radio may need a one or two USB update.
S1623000028 Rev.	2023-02-13. Service bulletin. Outside Power Fold Rearview Mirror Noise Or Loose At Pivot. Mirror Contacts Door Window Glass In The Folded Position.
0809321	2023-01-17. Service bulletin. UAS, UAQ, UCS, UAV, UCV and UCQ Radio Over The Air Software Version Updates This bulletin provides information regarding the latest Flash Over The Air (FOTA) update and provides the service technician an overview of the steps a customer will need to take to complete the update. This is part of a two step FOTA update, first update brings software level to 22.61 and this second FOTA update will take the software to 22.64. National launch for this second step is May 24, 2021. Customers may experience one or more of the following:Navigation is incorrect or can not calculate route. GPS locations is inaccurate. Uconnect radio apps are all inoperable. Backup camera screen is blue (DT and KL). Green horizontal lines appear across screen (DT and KL). Anti-theft code request message. Backup camera screen is blank. Lines appear across screen. Radio control screen is blank or locked. Radio reset intermittently. Unable to adjust audio volume. Unable to switch modes between AM, FM, SAT or Media. In addition the following enhancements are included in this update:Carplay® connectivity improvement. Improvement to Bluetooth® phone pairing. Bluetooth devices unresponsive. Improved sound quality when using a Bluetooth phone.
08-003-22 REV. A	2023-01-17. Service bulletin. UAQ and UCQ Radio Enhancements Customers may experience one or more of the following: ? Wi-Fi hotspot connection failure. ? Speaker popping, crackle noise during Voice Recognition (VR) response and navigation guidance. ? Mobile Station Integrated Services Digital Network (MSISDN) missing from radio, no connected services working. ? Intermittent, black radio display screen (Rear View Camera (RVC) not affected). ? Intermittent, radio freezes (RVC not affected). ? Wireless connectivity pairing and/or connection issues. ? Lost radio presets. ? Radio channels change by itself. ? SXMT icon inoperative. ? SXMT favorite song not displaying/playing. ? Incorrect navigation address/location/directions. ? Backup camera has black display screen or only displays Check Entire Surroundings with black screen (occurs when vehicle is shifted immediately to reverse upon key-on before RVC signal is received, recoverable with key cycle) . ? High pitch chime noise. ? Contact list not loading. ? Device not supported message. ? Remote app inoperative. ? Travel-Link fuel price incorrect. ? Backup camera gridlines missing. ? Unable to adjust volume. In addition, the following enhancement are included in this update: ? Enables map updates. ? Heavy Duty (HD) Truck USB HUB improvements. ? HD Truck heated steering wheel improvements This bulletin involves inspecting and if required, updating the radio software level to 40.1. Depending on the radio?s current software level the radio may need a one or two USB update.