Turbo Diesel Registry
Issue link: http://read.uberflip.com/i/748437
42 www.turbodieselregister.com TDR 94 TDResource . . . . Continued CATEGORY 18 VEHICLE PERFORMANCE...continued TSB# MODEL SUBJECT/DESCRIPTION 18-022-16 3/4/16 '13 DD/DP 6.7-Liter Diagnostic And System Improvements—Flash Update This bulletin applies to vehicles equipped with a 6.7-liter Cummins engine. Several software improvements are available for the engine. These improvements are separated into categories These DTCs have been changed from a one trip fault to a two trip fault: P0201-P0206 – Fuel Injector X Circuit/Open P049D – EGR Control Position Exceeded Learning Limit This DTC has been changed from a two trip fault to a one trip fault: U12A4 – Lost Communication With Ammonia Sensor Improvements to prevent or reduce unnecessary Malfunction Indicator Lamp (MIL) illumination for: P1C55 P205E U110E P20E8 P2281 U3017 U1421 P0128 P0087 P0544 P2002 P061A P0234 P026A P0299 P0544 P0562 P20EE P2201 P24A5 P2459 P249E Other updates: • SCR Efficiency scan tool test improvement. • Various Urea system calibration changes, cold weather system improvements and dosing heater thaw times. • Various additional wiTECH data and system test additions or improvements. • Cruise control system improvements. • System enhancements to starter lockout feature. • Fuel Filter Minder system calibration enhancements. • Exhaust brake switch operation improvements. • Charging system improvements for dual alternator applications. • Erroneous "Service Exhaust System – see dealer" message setting with the ignition in the "Run" position, engine not running. • Remove MIL for DTC; P1C70 – SCR Error Detected – Engine Disabled. • Wait To Start (WTS) bulb check timing improvements (1 second). • Set PTO maximum speed to 2,000rpm. • Allow Mobile PTO operation in neutral. • Frozen CAC Diagnostic Improvement. • WiTECH – Reset fix (PTO request on Pickup). • WiTECH – Road Governor Speed Upper Limit adjustment • SCR Performance Test Fix. There will be a choice between two calibrations. One for a 3-sensor configuration that utilizes an ammonia sensor and one for 2-sensor configuration for vehicles that have had the ammonia sensor removed. Be sure to select the correct software based on the configuration. This bulletin involves selectively erasing and reprogramming the Engine Control Module (ECM) with new software. TDR and Geno's Garage 2017 Calendar Tip: Featured for the month of May is the 1996 truck of TDR member Glenn Plank. It has 388k miles now, he's waiting to eclipse 500k to get a new truck. In the immediate background are the Alabama Hills located in the center of the state of California at the foothills of the Sierra Nevada mountains. Be sure to circle May 29th as that is Glenn's birthday. Also note that DashMats and UltiMats are the featured products in May.