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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.

By type

By component

By trouble code

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

Bulletins, newest first
18-006-16 REV. B2017-11-03. Service bulletin. SERVICE BRAKES, HYDRAULIC; ELECTRICAL SYSTEM; ENGINE. Flash: Powertrain Diagnostic And System Enhancements This bulletin involves reprogramming the Powertrain Control Module (PCM) with the latest available software. Some customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation the technician may find one or more of the following DTCs: · **P2299 - Brake Pedal Position/Accelerator Pedal Position Incompatible.** · P0335 - Crankshaft Position Sensor Circuit. · P2610 - PCM Internal Engine Off Timer Performance (5.7L Engine). · P0456 - EVAP System Small Leak. · P1D73 - Active Grill Shutter (AGS) Performance. In addition to the above DTCs, this software release also includes: · Improved shift quality during initial operations of a vehicle in cold ambient temperatures (5.7L Engine). · Improved key-on engine-off oil pressure lamp behavior.
18-006-162017-10-21. Service bulletin. ELECTRICAL SYSTEM. Flash: 5.7L and 3.6L Powertrain Diagnostic And System Enhancements This bulletin involves reprogramming the Powertrain Control Module (PCM) with the latest available software. Some 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): · P0456 - EVAP System Small Leak. · P1D73 - Active Grill Shutter (AGS) Performance. · P2610 - PCM Internal Engine Off Timer Performance.
21-017-16 REV. A2016-11-08. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE; POWER TRAIN:AUTOMATIC TRANSMISSION. "FLASH: TRANSMISSION SHIFT AND DRIVABILITY ENHANCEMENTS THIS BULLETIN INVOLVES REPROGRAMMING THE TRANSMISSION CONTROL MODULE (TCM) WITH THE LATEST AVAILABLE SOFTWARE. SOME CUSTOMERS MAY EXPERIENCE A MALFUNCTION INDICATOR LAMP (MIL) ILLUMINATION. UPON FURTHER INVESTIGATION, A TECHNICIAN MAY FIND THE FOLLOWING DIAGNOSTIC TROUBLE CODE (DTC) STORED IN THE TCM MEMORY: · P0731 - GEAR RATIO ERROR IN 1ST. THE FOLLOWING ENHANCEMENTS ARE INCLUDED IN THE SOFTWARE UPDATE: · **2-1 COAST DOWN IMPROVEMENT (3.0L ONLY). · 3-2 COAST DOWN IMPROVEMENT (3.0L ONLY). · IMPROVEMENT TO 5-3 DOWNSHIFT WITH PEDAL TO IMPROVE 5-3-2 SHIFT (3.0L ONLY) · 6-5 COAST DOWN IMPROVEMENT (3.0L ONLY) · 2-3 UPSHIFT WITH LESS THAN 30% PEDAL IMPROVEMENT (3.0L ONLY) · CLUTCH C ADAPTION STABILITY IMPROVEMENT (IMPROVES SHIFT QUALITY FOR NEW TRANSMISSIONS ON GEAR SHIFTS THAT USE CLUTCH C) (3.0L ONLY). · GARAGE SHIFT TO D IMPROVEMENTS (3.0L ONLY). · ROLLING GARAGE SHIFT IMPROVEMENTS (3.0L ONLY). · IMPLEMENTATION OF END OF LINE (EOL) ADAPTION TO IMPROVE SHIFT QUALITY ON BRAND NEW TRANSMISSION. · DIAGNOSTICS IMPROVEMENTS (3.6L AND 5.7L). · IMPROVE SHIFT QUALITY ON BRAND NEW TRANSMISSION (5.7L ONLY). · IMPROVEMENT TO FIRST 1-2 SHIFT AFTER START (5.7L ONLY). · IMPROVEMENT TO 1-2 SHIFT, ESPECIALLY FOR COLDER OPERATING TEMPERATURES (5.7L ONLY). · 2-3 SHIFT FEEL IMPROVEMENT ESPECIALLY FOR COLDER OPERATING TEMPERATURES (5.7L ONLY). · COASTDOWN SHIFT IMPROVEMENTS (6-5, 5-4, 4-3, 3-2, 2-1) (5.7L ONLY). · COASTDOWN SHIFT FEEL REFINEMENT FOR DOUBLE DOWNSHIFTS (5.7L ONLY). · KICKDOWN IMPROVEMENTS FOR THE FOLLOWING SHIFTS (7-6-5-4-3, 8-6-5-4, 6-3-2, 5-3-2, 4-2) (5.7L ONLY). · IMPROVEMENT TO 4-2-1 (5.7L ONLY).** · IMPROVED 7TH GEAR UPSHIFT TIMING. · DOWNHILL ENGINE BRAKING IMPROVEMENTS."
18-006-16REV.A2016-09-14. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION; ELECTRICAL SYSTEM:SOFTWARE. "FLASH: 3.6L AND 5.7L POWERTRAIN DIAGNOSTIC AND SYSTEM ENHANCEMENTS THIS BULLETIN INVOLVES REPROGRAMMING THE POWERTRAIN CONTROL MODULE (PCM) WITH THE LATEST AVAILABLE SOFTWARE. SOME 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): · **P0335 - CRANKSHAFT POSITION SENSOR CIRCUIT. · P2610 - PCM INTERNAL ENGINE OFF TIMER PERFORMANCE. (5.7L ONLY).** · P0456 - EVAP SYSTEM SMALL LEAK. · P1D73 - ACTIVE GRILL SHUTTER (AGS) PERFORMANCE. **IN ADDITION TO THE ABOVE DTCS, THIS SOFTWARE RELEASE ALSO INCLUDES: · IMPROVED SHIFT QUALITY DURING INITIAL OPERATIONS OF A VEHICLE IN COLD AMBIENT TEMPERATURES. (5.7L ONLY). · IMPROVED KEY-ON ENGINE-OFF OIL PRESSURE LAMP BEHAVIOR.**"
21-017-162016-07-14. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE; POWER TRAIN:AUTOMATIC TRANSMISSION. SYMPTOM/CONDITION: Some customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation, a technician may find the following Diagnostic Trouble Code (DTC) stored in the TCM memory: • P0731 - Gear Ratio Error In 1st. The following enhancements are included in the software update: • Improved general shift quality. • Improved 7th gear upshift timing. • Downhill engine braking improvements.
09-005-162016-07-14. Service bulletin. ELECTRICAL SYSTEM:STARTER ASSEMBLY; ENGINE. SUBJECT: Tighten Starter Bolts OVERVIEW: This bulletin involves torquing the starter bolts to proper specifications. SYMPTOM/CONDITION: The customer or technician may hear an excessive noisy starter or find that the starter is loose.
08-057-162016-07-14. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE. SUBJECT: RA3 RA4 Radio Enhancements OVERVIEW: This bulletin involves inspecting and, if required, updating the radio software. SYMPTOM/CONDITION: A small number of customers may experience one or more of the following: • Navigation failed message is displayed. • Clock not automatically updating to local time. • Poor or no connection to cellular network. • HVAC temperature out of sync with radio display (KL vehicles). • Display goes blank/black. • Radio locks up. • Some Uconnect App remote commands do not execute with the vehicle.
08-051-162016-07-14. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE; SUSPENSION:FRONT:SPRINGS:AIR SUSPENSION SYSTEM; SUSPENSION:REAR:SPRINGS:AIR SUSPENSION SYSTEM. SUBJECT: Flash: Air Suspension Control Module (ASCM) This bulletin involves updating the ASCM with the latest available software. SYMPTOM/CONDITION: Customers may experience no ride height change with the vehicle in real cold conditions and in addition they may also have a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation the technician may find that the following Diagnostic Trouble Codes (DTCs) have been set: · C15A1-00 - Unable To Obtain Desired Ride Height. · C1562-98 - Ride Height Air Pump Control - Component Or System Over Temperature. · C1562-92 - Height Air Pump Control - Performance Or Incorrect Operation. · C159F-92 - Air Suspension Reverse Valve 1 Control - Performance Or Incorrect Operation. · C15A0-92 - Air Suspension Reverse Valve 2 Control - Performance Or Incorrect Operation. · C155E-92 - Height Pressure Vent Control - Performance Or Incorrect Operation • C15AA-00 - Air Leak During Vent. In addition, the customer may notice the following condition: • Vehicle does not change ride heights when selected in cold weather.
08-044-162016-07-14. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE; EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.. SUBJECT: Flash: Radio Frequency Hub Module (RFHM) Enhancement SYMPTOM/CONDITION: Customers may describe the instrument cluster is illuminating by itself after the ignition has been off for an extended period of time (10 minutes or more).
09-005-162016-07-07. Service bulletin. ENGINE; ELECTRICAL SYSTEM:STARTER ASSEMBLY. SUBJECT: Tighten Starter Bolts OVERVIEW: This bulletin involves torquing the starter bolts to proper specifications. SYMPTOM/CONDITION: The customer or technician may hear an excessive noisy starter or find that the starter is loose.
08-057-162016-07-07. Service bulletin. ELECTRICAL SYSTEM. SUBJECT: RA3 RA4 Radio Enhancements OVERVIEW: This bulletin involves inspecting and, if required, updating the radio software. SYMPTOM/CONDITION: A small number of customers may experience one or more of the following: • Navigation failed message is displayed. • Clock not automatically updating to local time. • Poor or no connection to cellular network. • HVAC temperature out of sync with radio display (KL vehicles). • Display goes blank/black. • Radio locks up. • Some Uconnect App remote commands do not execute with the vehicle.
18-027-162016-06-22. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE. SUMMARY TO BE PROVIDED ON A FUTURE DATE.
18-006-162016-06-22. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE. SUMMARY TO BE PROVIDED ON A FUTURE DATE.
18-001-162016-06-22. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE. SUMMARY TO BE PROVIDED ON A FUTURE DATE.
18-001-16 REV. B2016-06-22. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE. SUMMARY TO BE PROVIDED ON A FUTURE DATE.
18-001-16 REV.A2016-06-22. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE. SUMMARY TO BE PROVIDED ON A FUTURE DATE.
08-026-13REV.B2016-04-12. Service bulletin. EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.; ELECTRICAL SYSTEM. SUMMARY TO BE PROVIDED ON A FUTURE DATE.

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