Colorado 4WD

435 service bulletins filed with NHTSA for this model year

• Sep 6, 2024ELECTRICAL SYSTEMPIC5650L

  This Preliminary Information communication provides information to the technician about vehicles that have an intermittent no crank, no start, or start stall concern with the security light coming on. Technician may find Diagnostic Trouble Codes B3055, B3060, and/or B3935. Technician should not replace any parts for this concern. If unable to duplicate the concern ask if the customer uses any Radio Frequency Identification Devices when the concern is present. Dealer should also direct their cust

• Aug 26, 2024ELECTRICAL SYSTEMGeneral Communication

  Vehicle Wide Programming (VWP) is a new process to update software on GM Vehicles. It provides the ability via a single selection within Techline Connect to first identify which modules need updating and then proceed to updating affected modules (with some exceptions). The updating of modules is completed in parallel instead of the technician needing to update one module at a time. This allows a more streamlined approach for dealers and customers.

• Aug 13, 2024SEATSPIT6180

  This Preliminary information communicates assistance in locating the Rear seat belt comfort guides in the parts catalog.

• Aug 13, 2024ELECTRICAL SYSTEMPIP5569B

  This Preliminary information communicates to the dealer an issue where the vehicle's engine may crank over unprompted and not start afterward. This is the result of hooking up the Active Fuel Injector Tool incorrectly on vehicles equipped with a direct fuel injection system. This Preliminary information instructs the dealer of a repair kit they received that will prevent this issue when installed correctly.

• Aug 13, 2024ELECTRICAL SYSTEMPIC6551

  This Preliminary information communicates to dealer to perform a MEC reset for wireless projection issues

• Aug 13, 2024ENGINEN242445290

  Special Coverage. Certain vehicles, equipped with a 2.8L diesel engine (RPO LWN), could have a condition that may intermittently cause the throttle body motor to fail to complete the throttle position learn cycle within the allowed time. If this condition were to occur, the Malfunction Indicator Lamp (Check Engine Light) would illuminate, and a diagnostic trouble code would set. The engine may also be placed in a reduced power mode. Dealers are to replace the throttle body as necessary. The

• Aug 9, 2024ENGINE16-NA-380

  This service bulletin provides a diagnostic aid procedure on how to perform a quick test to check if the DPF is the cause of excessive soot from the tailpipe.

• Aug 9, 2024ENGINE16-NA-244

  This informational bulletin provides information on Diesel Exhaust Fluid (DEF) and the proper use of the DEF system.

• and 427 more

Source: NHTSA manufacturer communications (technical service bulletins).