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Service bulletins for the 2013 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.

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

About P0456 on the 2013 Ram 1500: what the code means, and the bulletins and recalls about the same components.

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Only bulletins with trouble code: P0456 are shown. Show all

Bulletins, newest first
18048232023-05-30. Service bulletin. EQUIPMENT; ENGINE AND ENGINE COOLING. wiTECH Small Leak Verification Test (SLVT) - P0456-EVAP SYSTEM SMALL LEAK
18103162022-10-17. Service bulletin. POWER TRAIN; ELECTRICAL SYSTEM. Flash: Powertrain System Improvements/Enhancements This bulletin involves selectively erasing and reprogramming the Powertrain Control Module (PCM) with new software. A small number of customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation the technician may find one of the following DTCs has been set: U0140 - Lost Communication With Body Control Module (BCM). P0607 - ECU Internal Performance. P2096 - Downstream Fuel Trim System 1 Lean. P2097 - Downstream Fuel Trim System 1 Rich. P2098 - Downstream Fuel Trim System 2 Lean. P2099 - Downstream Fuel Trim System 2 Rich. P0456 - EVAP System Small Leak. Scan tool improved accuracy on mode 6, cylinder imbalance. ASD Relay (to improve fuel pump relay initialization at key on).A small number of customers may experience: A less than desired idle speed after performing a hard braking maneuver.
18100162022-10-17. Service bulletin. ELECTRICAL SYSTEM; POWER TRAIN. Flash: Powertrain Diagnostic And System Enhancements This bulletin involves selectively erasing and reprogramming the Powertrain Control Module (PCM) with new software. A small number of customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation the Technician may find that the following Diagnostic Trouble Codes have been set: U0140 - Lost Communication With Body Control Module (BCM) (12 MY DJ only) P0300 - Multiple Cylinder Misfire.The P0300 improvement only applies to vehicles using a block heater in ambient temperatures greater than -20°F(-29°C). P2008 - Short Runner Valve (SRV) Control Circuit. P1004 - Short Runner Valve Control Performance. P2016 - Intake Manifold Runner Position Sensor Circuit Low. P2017 - Intake Manifold Runner Position Sensor Circuit High. P0456 - Evap System Small Leak(applies only to vehicles equipped with a CNG engine): Excess gasoline mode operation under normal operating conditions (switching to gasoline mode too often). Slight hesitation on initial acceleration when starting in gasoline mode. Engine speed fluctuation on first gasoline to CNG mode transition under extremely low ambient temps.Also software enhancements were made to improve transmission durability.
18-001-142022-08-22. Service bulletin. ELECTRICAL SYSTEM; POWER TRAIN; EXTERIOR LIGHTING. Flash: 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 a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation the Technician may find that the following Diagnostic Trouble Code (DTC) has been set: ? P0456 - Evap System Small Leak In addition, the following software enhancements are available for D2, DJ, and DD vehicles equipped with a 5.7L engine (sales code EZC) ? Transmission torque management enhancement when shifting from drive to reverse. ? Additional powertrain enhancements to the intake manifold Short Runner Valve (SRV) system. ? Additional powertrain enhancements for block heater applications (sales code NHK).
18-001-14 REV. A2018-06-11. Service bulletin. POWER TRAIN. Flash: 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 a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation the Technician may find that the following Diagnostic Trouble Code (DTC) has been set: * P0456 - Evap System Small Leak In addition, the following software enhancements are available for D2, DJ, and DD vehicles equipped with a 5.7L engine (sales code EZC) * Transmission torque management enhancement when shifting from drive to reverse. * Additional powertrain enhancements to the intake manifold Short Runner Valve (SRV) system. * Additional powertrain enhancements for block heater applications (sales code NHK).
18-012-14 REV. A2018-06-11. Service bulletin. ENGINE AND ENGINE COOLING. Flash: Malfunction Indicator Lamp (MIL) Illumination. Includes Various Driveability Improvements This bulletin involves selectively erasing and reprogramming the Powertrain Control Module (PCM) with new software. A small number of customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation the Technician may find that the following Diagnostic Trouble Codes have been set: P0300 - Multiple Cylinder Misfire.The P0300 improvement only applies to vehicles using a block heater in ambient temperatures greater than -20°F(-29°C). P2008 - Short Runner Valve (SRV) Control Circuit. P1004 - Short Runner Valve Control Performance. P2016 - Intake Manifold Runner Position Sensor Circuit Low. P2017 - Intake Manifold Runner Position Sensor Circuit High. P0456 - Evap System Small Leak(applies only to vehicles equipped with a CNG engine): Excess gasoline mode operation under normal operating conditions (switching to gasoline mode too often). Slight hesitation on initial acceleration when starting in gasoline mode. Engine speed fluctuation on first gasoline to CNG mode transition under extremely low ambient temps.Also software enhancements were made to improve transmission durability.
18-012-142018-05-21. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM); ELECTRICAL SYSTEM; ENGINE AND ENGINE COOLING. Flash: Malfunction Indicator Lamp (MIL) Illumination. Includes Various Driveability Improvements This bulletin involves selectively erasing and reprogramming the Powertrain Control Module (PCM) with new software. A small number of customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation the Technician may find that the following Diagnostic Trouble Codes have been set: ? P0300 - Multiple Cylinder Misfire NOTE: The P0300 improvement only applies to vehicles using a block heater in ambient temperatures greater than -20°F(-29°C). ? P2008 - Short Runner Valve (SRV) Control Circuit ? P1004 - Short Runner Valve Control Performance ? P2016 - Intake Manifold Runner Position Sensor Circuit Low ? P2017 - Intake Manifold Runner Position Sensor Circuit High ? P0456 - Evap System Small Leak Customers may also experience any of the following conditions (applies only to vehicles equipped with a CNG engine): ? Excess gasoline mode operation under normal operating conditions (switching to gasoline mode too often) ? Slight hesitation on initial acceleration when starting in gasoline mode ? Engine speed fluctuation on first gasoline to CNG mode transition under extremely low ambient temps
18-001-142018-05-21. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM). Flash: MIL Illumination P0456- Evap System Small Leak This bulletin involves selectively erasing and reprogramming the Powertrain Control Module (PCM) with new software. A small number of customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation the Technician may find that the following Diagnostic Trouble Code has been set: ? P0456 - Evap System Small Leak
18-103-16 REV. B2017-11-03. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE. Flash: Powertrain System Improvements/EnhancementsThis bulletin involves selectively erasing and reprogramming the Powertrain Control Module (PCM) with new software. A small number of customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation the technician may find one or more of the following (DTCs) have been set:P2299 - Brake Pedal Position / Accelerator Pedal Position Incompatible (14&15 MY). P0116 - Engine Coolant Temperature Sensor Performance (14&15 MY). P0335 - Crankshaft Position Sensor Circuit (14&15 MY). U1424-00 - Implausible Engine Torque Signal Received (14&15 MY). P1239 - Engine Oil Temperature Too Low (15 MY Sales Code ERB). P0300 - Multiple Cylinder Misfire.P0456 - EVAP System Small Leak.P0607 - ECU Internal Performance.P2096 - Downstream Fuel Trim System 1 Lean.P2097 - Downstream Fuel Trim System 1 Rich. P2098 - Downstream Fuel Trim System 2 Lean. P2099 - Downstream Fuel Trim System 2 Rich. P1004 - Short Runner Valve Control Performance. P2008 - Short Runner Valve (SRV) Control Circuit. P2016 - Intake Manifold Runner Position Sensor Circuit Low. P2017 - Intake Manifold Runner Position Sensor Circuit High. P26AB - Engine Coolant Bypass Valve Stuck.U0140 - Lost Communication With Body Control Module (attempting to clear this DTC will be unsuccessful) (with 4.7L or 3.6L).P0607 - ECU Internal Performance. (with 4.7L).The following improvements are included in this update:Throttle Position Sensor (TPS) calibration (14&15 MY).Corrects a false oil pressure lamp illumination at key on (14&15 MY with 5.7L).Shift quality of the first shift after a few hours of vehicle drivetrain cooling down.Automatic Shut Down (ASD) Relay Enhancements To Improve Fuel Pump Relay Initialization At Key On - (Auto Shutdown).Charging system voltage regulator control improvements.System improvements to prevent MIL illumination with a DTC P0300 - Multiple Cylinder Misfire when using a block heater in ambient temperatures grea

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