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Service bulletin 18-001-13

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)
TypeService bulletin
NHTSA id10189369
Published by NHTSA2021-03-29
Manufacturer's number18-001-13
Manufacturer's date2013-01-05
NHTSA componentFUEL SYSTEM, GASOLINE; FUEL SYSTEM, DIESEL; BACK OVER PREVENTION; POWER TRAIN; ELECTRICAL SYSTEM; SERVICE BRAKES

NHTSA's summary

Flash: Diagnostic and System Improvements This bulletin involves selectively erasing and reprogramming the Engine Control Module (ECM) with new software. Pickup trucks equipped with a 6.7L Cummins diesel have software improvements/enhancements available for the following DTC's: P049D - EGR CONTROL POSITION EXCEEDED LEARNING LIMIT P0101 - MASS AIR FLOW SENSOR "A" CIRCUIT PERFORMANCE P0191 - FUEL RAIL PRESSURE SENSOR CIRCUIT PERFORMANCE P2000 - NOx ABSORBER EFFICIENCY BELOW THRESHOLD (Diagnostic improvements) P2002 - DIESEL PARTICULATE FILTER EFFICIENCY BELOW THRESHOLD (for high altitude failures) P2195 - O2 SENSOR 1/1 OUT OF RANGE HIGH P2196 - O2 SENSOR 1/1 OUT OF RANGE LOW P2270 - O2 SENSOR 1/2 OUT OF RANGE HIGH P2271 - O2 SENSOR 1/2 OUT OF RANGE LOW P241A - O2 SENSOR 1/1 AND 1/2 OXYGEN CONCENTRATION MISMATCH P242F - DIESEL PARTICULATE FILTER RESTRICTION - ASH ACCUMULATION P2453 - DIESEL PARTICULATE FILTER PRESSURE SENSOR A CIRCUIT PERFORMANCE P2609 - INTAKE AIR HEATER SYSTEM PERFORMANCEVehicles flashed to address the above codes should be driven and repair validated. If code(s) return, follow diagnostic procedures available in DealerCONNECT/TechCONNECT.Improvements other than DTC robustness or enhancements: Improve cruise control functionality Display correct EGR position on WiTech Corrected CAC Outlet temperature voltage reading Display Correct alternator voltage in WiTech Correct for OBD II Readiness for frequent regeneration monitor Correct water in fuel (WIF) parameter to wiTECH ScanTool may report a code as stored, even though the fault has been cleared by completing a significant number of drive cycles without a repeat occurrence Active codes not always displayed correctly Engine derate with IOD removed. This will help prevent turbo damage due to oil thickening in cold climate start up on new vehicles in transit Scan tool readiness reporting issues EGR Valve cleaning and monitoring enhancements to help reduce occurrences of P04

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

Brakes, Driver assistance, Electrical system, Fuel system, Transmission and driveline, Backup camera

Trouble codes named

P0101, P0191, P049D, P2000, P2002, P2195, P2196, P2270, P2271, P241A, P242F, P2453, P2609

Vehicles listed
DODGE RAM 25002012 (the catalog's model; the bulletin names a series or trim of it)
DODGE RAM 35002012 (the catalog's model; the bulletin names a series or trim of it)

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

Other bulletins for the same vehicles and component
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