- April 17: Ford Explorer Axle Bolt Recall Failed, Alleges Lawsuit news | 2 days ago
- March 31: Ram Aisin Transmission Snap Ring Failures Investigated investigations | 19 days ago
- March 26: Chrysler, Jeep and Ram Vehicles Recalled For Airbag Failures recalls | 24 days ago
- March 20: Ram ProMaster Vans Recalled Over Warning Lights and Chimes recalls | 30 days ago
- March 4: GM to Replace Engines in 2023 Colorado, Silverado 1500, GMC Sierra 1500 news | 46 days ago
Ram TSB #08-017-20
2020 Ram 1500
TSB Document:
Affected Component: ELECTRICAL SYSTEM:SOFTWARE
- Summary
- Flash: Hybrid Control Processor (HCP) Updates This bulletin involves updating the HCP with the latest available software. 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) have been set:P0731-00 - Gear 1 Shift Incorrect Ratio. P0733-00 - Gear 3 Shift Incorrect Ratio (while operating in 4-Lo range). P0734-00 - Gear 4 Shift Incorrect Ratio. The customer may describe the following:Bump/clunk felt during 1-2, 2-3, 4-5 or 5-6 upshifts. Bump during coast down with medium to heavy acceleration. The following enhancement is also included in this software update:Improvements in prematurely setting the following DTCs: P0731, P0733, P0734. Improvements for the regen blending driveability. Improved 1-2, 2-3, 4-5 or 5-6 upshifts to eliminate bump/clunk felt during these upshifts.
Click a tab for more information.