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Service bulletins for the 2016 Ram 1500

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.

604 on file from NHTSA, as of 2026-10-19.

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By component

By trouble code

Only bulletins with component: Electrical system are shown. Show all

Bulletins, newest first
S2025000001 Rev.2020-10-26. Service bulletin. ELECTRICAL SYSTEM. (Revision A) Malfunction Indicator Lamp Illumination (MIL). Diagnostic Trouble Code (DTC) P203E ? Reductant Level Sensor 1 Circuit Intermittent-Erratic Set.
18-001-16 REV. C2020-10-26. Service bulletin. ELECTRICAL SYSTEM; ENGINE AND ENGINE COOLING; POWER TRAIN:AUTOMATIC TRANSMISSION. Flash: 3.0L Powertrain Diagnostic And System Enhancements This bulletin involves reprogramming the Powertrain Control Module (PCM) with the latest available software. Customers may experience bucking under hard acceleration. In addition 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) set in the PCM memory: · **P206D-00 - Reductant Quality Sensor Circuit High. · P26AB-00 - Engine Coolant Bypass Valve Stuck. · P050E-00 - Cold Start Engine Exhaust Temperature Too Low. · U3017-00 - Control Module Timer/Clock Performance.** · P026A-00 - Charge Air Cooler Efficiency Below Threshold. · P1296-00 - EGR Slow Response - Increasing Flow. · P20C2-00 - Reductant Heater 3 Control Circuit Performance. · P249C-00 - Excessive Time To Enter Closed Loop Reductant Injection Timing Control. The technician may also find the following Diagnostic Trouble Code (DTC) set in the Transmission Control Module (TCM) memory: · U1424-00 - Implausible Engine Torque Signal Received.
68292756A$2020-10-26. Service bulletin. WHEELS; ELECTRICAL SYSTEM; SERVICE BRAKES, AIR:ANTILOCK:WHEEL SPEED SENSOR. 2016 DS ABS Module Before replacing the ABS module for a wheel speed sensor fault(s) listed below, please call Brittany Potton at cell (248) 494-1087. If you don't receive response within 15 minutes, please continue with normal repair procedure.~ ~ Possible wheel speed sensor faults: ~ C0030-02 Left Front Tone Wheel-General Signal Failure~ C0031-1D Left Front Wheel Speed Sensor-Circuit Current Out of Range~ C0031-2F Left Front Wheel Speed Sensor-Signal Erratic~ C0031-62 Left Front Wheel Speed Sensor-Signal Compare Failure~ ~ C0033-02 Right Front Tone Wheel-General Signal Failure~ C0034-1D Right Front Wheel Speed Sensor-Circuit Current Out of Range~ C0034-2F Right Front Wheel Speed Sensor-Signal Erratic~ C0034-62 Right Front Wheel Speed Sensor-Signal Compare Failure~ ~ C0036-02 Left Rear Tone Wheel-General Signal Failure~ C0037-1D Left Rear Wheel Speed Sensor-Circuit Current Out of Range~ C0037-2F Left Rear Wheel Speed Sensor-Signal Erratic~ C0037-62 Left Rear Wheel Speed Sensor-Signal Compare Failure~ ~ C0039-02 Right Rear Tone Wheel-General Signal Failure~ C003A-1D Right Rear Wheel Speed Sensor-Circuit Current Out of Range~ C003A-2F Right Rear Wheel Speed Sensor-Signal Erratic~ C003A-62 Right Rear Wheel Speed Sensor-Signal Compare Failure~
68225378A$2020-10-26. Service bulletin. ELECTRICAL SYSTEM; ENGINE AND ENGINE COOLING:ENGINE:GASOLINE:TURBO/SUPERCHARGER; EQUIPMENT; EQUIPMENT ADAPTIVE/MOBILITY. 3.0L V6 Turbo Diesel - Sales Code EXF A crankshaft locking tool marked 630 is installed on all 3.0L EXF long blocks (Lower rear left side of block under starter location). This tool locks the crankshaft at 30? ATDC. Refer to: Valve Timing ? Standard Procedure ? LOCKING ENGINE 30 DEGREE AFTER TDC IN TechCONNECT for further details. This tool must be removed after the the injection pump has been installed on the engine. The tool will be replaced with the engine block plug from the engine being removed. The engine will not turn over with this tool installed.~
68054772A$2020-10-26. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT; EQUIPMENT ADAPTIVE/MOBILITY; ENGINE AND ENGINE COOLING. CABLE ASSY, Power Sliding Backlite For MY16 DS, DJ, DD, DP, D2 trucks. Prior to replacing a Power Sliding Backlight Cable Assembly, please contact Marc Galli by cell phone at (248) 941-8402 as he would like to gather information. In addition, if the dealership is within the Metro Detroit Area, Marc would like to analyze the vehicle in person prior to it being repaired. If Marc cannot be contacted within 15 minutes, please provide pictures of the inside lower rail of the glass to confirm (2 passenger side and 1 driver side) cable clips are fully seated as well as pictures of the (2) regulator motor cable spring plungers to confirm they are also seated. Then proceed with the repair. Please email pictures to Marc at marc.galli@fcagroup.com.
S20080001132020-09-28. Service bulletin. ENGINE; ELECTRICAL SYSTEM. No Start Intermittently, Vehicle Requires Multiple Keyless Push To Start Attempts To Start Vehicle
90039682020-08-24. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT:APPLIANCE:AIR CONDITIONER. CONDENSER, Air Conditioning CONDITION 1: If it is determined that the A/C compressor does not engage due to a refrigerant leak at the receiver/drier plug on the A/C condenser, order the receiver/drier plug kit P/N 68447796A$ and follow the repair instructions included on the instruction sheet. CONDITION 2: For stock at the dealership of the below Part Number level or older ONLY, use kit 68447796A$ to change the desiccant BAG and the desiccant bag access PLUG before installing the Cooler on the vehicle. 52014588AD level and older only. 52014609AC level and older only. 52014632AC level and older only. 52014797AG level and older only. 52014948AE level and older only. 52014978AF level and older only.
S20080000932020-07-27. Service bulletin. ELECTRICAL SYSTEM:ADAS:PARKING ASSIST:WARNING; ELECTRICAL SYSTEM:ADAS:BLINDSPOT:WARNING:LAMP. Blind Spot Or Park Assist Warnings, False Activation
08-049-202020-05-26. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT. Charging System, Battery Diagnostic Tools and Warranty This information only bulletin discusses using the correct test equipment for testing batteries and charging systems, and also warranty reimbursement when battery replacements are necessary.
S20080000632020-05-26. Service bulletin. FUEL SYSTEM, DIESEL; ELECTRICAL SYSTEM; POWER TRAIN. Malfunction Indicator Lamp (MIL) on. Diagnostic Trouble Codes (DTCs) P2463 ? Diesel Particulate Filter Soot Accumulation, and P2453 ? Diesel Particulate Filter Differential Pressure Sensor Circuit Performance Set.
S20210000022020-05-26. Service bulletin. ELECTRICAL SYSTEM. Valve Body Pressure Testing Plug Inspection
S20250000012020-05-26. Service bulletin. ELECTRICAL SYSTEM. Malfunction Indicator Lamp Illumination (MIL). Diagnostic Trouble Code (DTC) P203E ? Reductant Level Sensor 1 Circuit Intermittent-Erratic Set.
S20250000012020-05-18. Service bulletin. ELECTRICAL SYSTEM. Malfunction Indicator Lamp Illumination (MIL). Diagnostic Trouble Code (DTC) P203E ? Reductant Level Sensor 1 Circuit Intermittent-Erratic Set.
S15080004802020-04-27. Service bulletin. EQUIPMENT:ELECTRICAL; ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL. Speed Control Operates Intermittently
21-010-202020-04-06. Service bulletin. POWER TRAIN; ELECTRICAL SYSTEM:SOFTWARE. Flash: Transmission Control Module (TCM) Updates This bulletin involves reprogramming the TCM with the latest available software. Customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation the technician may find the following Diagnostic Trouble Code (DTC) has been set:P0731 - Gear Ratio Error In 1st. The customer may describe the following condition:Rough or harsh shifting during coastdown to a stop (might also be described as a 2-1 bump)(Sales Code EZH). In addition, the following software enhancements are also available:2-1 coast down improvement(Sales Code EXF). 3-2 coast down improvement(Sales Code EXF). Improvements to 5-3 downshift with pedal to improve 5-3-2 shifts(Sales Code EXF). 6-5 coast down improvement(Sales Code EXF). 2-3 upshift with less than 30% pedal(Sales Code EXF). Clutch C adaption stability (improves shift quality for new transmissions on gear shifts that use Clutch C)(Sales Code EXF). Garage shift to D improvements(Sales Code EXF). Rolling garage shift(Sales Code EXF). Implementation of End Of Line (EOL) adaption to improve shift quality on brand new transmissions. Diagnostics improvements(Sales Codes ERB, ERT and EZH). Improve shift quality on brand new transmission(Sales Code EZH). Improvement to first 1-2 shift after start(Sales Code EZH). Improvement to 1-2 shift, especially for colder operating temperatures(Sales Code EZH). 2-3 shift feel improvement especially for colder operating temperatures(Sales Code EZH). Coastdown shift improvements (6-5, 5-4, 4-3, 3-2 and 2-1)(Sales Code EZH). Coastdown shift feel refinement for double downshifts(Sales Code EZH). Kickdown improvements for the following shifts (7-6-5-4-3, 8-6-5-4, 6-3-2, 5-3-2 and 4-2)(Sales Code EZH). Improvement to 4-2-1(Sales Code EZH). Improved 7th gear upshift timing. Downhill engine braking improvements.
S20080000132020-04-06. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT. Key Programming, Security Pin Request, Pin Invalid
08-089-192019-10-28. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT. Flash Over The Air (FOTA) Software Update RA3 and RA4 Radio 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.
90039682019-10-28. Service bulletin. ENGINE AND ENGINE COOLING; ELECTRICAL SYSTEM; ENGINE. CONDENSER, Air Conditioning If it is determined that the A/C compressor does not engage due to a refrigerant leak at the receiver/drier plug on the A/C condenser, order the receiver/drier plug kit P/N 68447796A$ and follow the repair instructions included on the instruction sheet.
546382019-07-15. Service bulletin. ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL. ASH RECEIVER - INSTRUMENT PANEL
08-096-15 REV A2019-05-20. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT. Splash Screen Displays Incorrect Logo In The Electronic Vehicle Information Center (EVIC) This bulletin involves a vehicle reconfiguration for proper operation of the Instrument Cluster display. The customer may notice the splash screen is incorrectly displaying a Lonestar logo (Fig. 1) in the Electronic Vehicle Information Center (EVIC) when the vehicle is first started and it should be displaying the Big Horn logo (Fig. 2). Fig. 1 Lone Star Splash Screen Fig. 2 Big Horn Splash Screen
18-098-152019-05-20. Service bulletin. POWER TRAIN; ELECTRICAL SYSTEM. Flash: 3.0L Powertrain Diagnostic And System Enhancements This bulletin involves reprogramming the Powertrain Control Module (PCM) with the latest available software. A small number of customers may experience bucking under hard acceleration. In addition other 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) set in the PCM memory: ? P20C2-00 - Reductant Heater 3 Control Circuit Performance. ? P1296-00 - EGR Slow Response - Increasing Flow. ? P249C-00 - Excessive Time To Enter Closed Loop Reductant Injection Timing Control. Upon further investigation a technician may find the following Diagnostic Trouble Code (DTC) set in the Transmission Control Module (TCM) memory: ? U1424-00 - Implausible Engine Torque Signal Received.
08-114-15 REV A2019-05-20. Service bulletin. EQUIPMENT; ELECTRICAL SYSTEM:SOFTWARE. Radio Software Enhancements This bulletin involves updating the radio's software. CAUTION: Confirm the correct radio flash file to the applicable model and family vehicle before flashing. A customer may experience one or more of the following: ? Radio display screen intermittently may go blank. ? Radio display screen may lock up. ? Back up display may not turn off. ? Loss of radio memory for skipped channels or incorrectly displaying skipped channels in the menu list. ? Charging schedule showing in the setting menu (FF BEV only). ? Korean language was not supported (APAC - Korea only). Enhancement: ? Removing the charging schedule from showing in the setting menu (FF BEV only). ? Adding Korean language support (APAC - Korea only).
08-114-152019-05-20. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE; EQUIPMENT. Radio Software Enhancements This bulletin involves updating the radio's software. CAUTION: Confirm the correct radio flash file to the applicable model and family vehicle before flashing. A customer may experience one or more of the following: ? Radio display screen intermittently may go blank. ? Radio display screen may lock up. ? Back up display may not turn off. ? Loss of radio memory for skipped channels or incorrectly displaying skipped channels in the menu list. ? Charging schedule showing in the setting menu (FF BEV only). ? Korean language was not supported (APAC - Korea only). Enhancement: ? Removing the charging schedule from showing in the setting menu (FF BEV only). ? Adding Korean language support (APAC - Korea only).
08-111-152019-05-20. Service bulletin. EQUIPMENT; ELECTRICAL SYSTEM. RA1 Radio Enhancements This bulletin involves updating the software on the RA1 Radio. A customer may experience, one or more of the following conditions: ? Radio may reset, turn itself off and then back on again. All Symptom Listed Below Are For 2013 Vehicles Only: ? Radio may be muted. Any of DTCs B1400-92-Front Left Audio Speaker Output - Performance Incorrect Operation and/or B1404-92- Front Right Audio Speaker Output - Performance Incorrect Operation and/or B1408-92-Rear Left Audio Speaker Output - Performance Incorrect Operation and/or B140C-92-Rear Right Audio Speaker Output - Performance Incorrect Operation, maybe active or stored. ? Radio display screen may turn off. ? Radio will stay on after the vehicle is turned off with remote. (Applies to vehicle with Mopar remote start add on package only). ? Radio will stay on for 20 minutes after ignition is turned off and the only way to turn off the radio is by pressing the power button on the radio. Software was updated to have the radio shut off based on the cluster accessory delay setting.
08-105-152019-05-20. Service bulletin. LATCHES/LOCKS/LINKAGES:HOOD:LATCH; ELECTRICAL SYSTEM. Remote Start Is Inoperative, Remote Start Cancelled Hood Open Message Displayed In EVIC This bulletin involves adjusting the hood latch. The customer may describe that the remote start is inoperative with Electronic Vehicle Information Center (EVIC) message displayed, ?Remote Start Cancelled Hood Open?.

The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.