2020 Chevrolet Colorado Technical Service Bulletins

882 technical service bulletins (TSBs) are on record for the 2020 Chevrolet Colorado. TSBs are notes manufacturers send to dealers about repair procedures for issues seen in the field. They are not recalls and do not by themselves mean a vehicle has a fault.

• 10166642Sep 20, 2019Engine cooling. This technical bulletin provides a procedure to replace the turbocharger for vehicles with a condition of Turbocharger Whine Noise due to the blades on the turbo being bent.
• 10165897Sep 20, 2019Electrical system. This preliminary information is to clarify a normal fluctuation of the temperature gauge.
• 10166643Sep 19, 2019Engine cooling. This informational bulletin explains how the SOOT readings went from grams to percentage. 2-1-18 Change Subject to reflect the test procedure. 5-1-18 Updated the Information section.
• 10166639Sep 19, 2019Engine cooling. This technical bulletin provides a procedure to Tighten the Charge Air Cooler Duct Clamp to correct a condition of an oil leak originating from either the inlet or outlet duct of the turbocharger due to the charge air cooler pipe clamp not being tightened properly.
• 10166637Sep 19, 2019Electrical system. This technical bulletin provides a procedure on how to properly identify if there is any aftermarket calibrations loaded on the ECM or and detection of a power up hardware installed.
• 10165895Sep 19, 2019Equipment. This preliminary information was released to advise of an alternate means of purging the air from the cooling system.
• 10166641Sep 18, 2019Engine cooling. This informational bulletin advises the technician to test the induction system for leaks for any of the codes listed.
• 10166638Sep 18, 2019Equipment. This warranty administration bulletin provides information regarding the field action courtesy transportation policy.
• 10165892Sep 18, 2019Wheels. This Preliminary Information communication provides information to the technician about vehicles that have raised dents or ripple appearance in the side outer panel of the cargo box around the perimeter of the wheel house opening. Technician should first access the rear of the inner wheelhouse area through the tail lamp cavity and the front of the wheelhouse from under the vehicle, and coat the inner hem of the…
• 10166646Sep 13, 2019Wheels. This technical bulletin provides a procedure to correct a left lean condition due to architectural corner mass distribution.
• 10165860Sep 3, 2019Fuel system. This Preliminary Information communication provides information to the technician on how to diagnose and repair vehicles that may have a fuel gauge that does not read below half a tank. Technician will gain access to the fuel pump and inspect to see if the level sender contacting the side of the fuel tank. The fuel tank fuel pump module fuel level sensor will need to be replaced for this concern.
• 10164790Aug 30, 2019Electrical system. This Preliminary information communicates a noise from the front end over bumps originating at the battery hold down retainer at inner fender.
• 10165108Aug 29, 2019Equipment. This informational bulletin provides information for dealers/technicians on Lack of A/C performance, Evaporator freeze up.
• 10165080Aug 26, 2019Engine cooling. This informational bulletin provides a procedure on how to perform a quick test to check if the DPF is the cause of excessive soot from the tailpipe.
• 10165127Aug 23, 2019Electrical system. This preliminary information bulletin provides information om Service Programming System (SPS) Error Codes E4398, E4399, E4403, M4404, M4413, E4414, E4423, E4491 or E6961).
• 10165087Aug 23, 2019Equipment. This warranty administration bulletin provides policy information, proper labor operation selection and causal part identification for warranty transactions (U.S. Only).
• 10165124Aug 21, 2019Engine cooling. This bulletin provides information on identifying Non-GM Engine Calibrations for Gasoline Engines using the Tech 2 or GDS 2.
• 10165084Aug 20, 2019Equipment. This informational bulletin provides information on Loss of Phone Pairing or Favorites, Last Setting of Volume, Station, App, and Audio Settings Change When Vehicle Shuts Down in Demo Mode and that this is considered a normal characteristic of the vehicle in demo mode.
• 10165126Aug 19, 2019Equipment. This bulleting provides Wiring, Terminal and Connector Repair Information including how to determine the Service Part Number in eSI and how to locate the part(s) in the EPC.
• 10165105Aug 19, 2019Equipment. This informational bulletin provides information for dealers/technicians and customers on the elimination of a glove box dampener, when unlatched the glove box door falls open.
• 10165121Aug 15, 2019Engine cooling. This informational bulletin provides information on replacing the intake manifold when the engine is replaced after severe internal engine damage.
• 10164768Aug 14, 2019Equipment. This Preliminary Information communication advises the technician about the narrowing of the bedrails. When installing a bed rail accessory the concern is made visible. This is a characteristic of the sleek design of the vehicle and no repair is necessary. Please communicate to the customer this condition is a normal design characteristic of their vehicle.
• 10164767Aug 14, 2019Suspension. This preliminary information suggests the technician verify a noise from the rear is or isn't coming from the rear leaf springs before a service on the springs is performed.
• 10165122Aug 13, 2019Engine cooling. This informational bulletin provides information on Internal Engine Noise or Damage After Oil Filter Replacement.
• 10165123Aug 12, 2019Transmission and drivetrain. This informational bulletin provides information on Some vehicles may rock or move slightly forward or rearward while in Park at start up after cold soak. This condition may be accompanied by a clunk noise. This is a slight movement that is more often seen visually, rather than felt, when viewed from the outside and using the auto-start feature, if equipped.
• 10165079Aug 5, 2019Steering. This technical bulletin provides a procedure inspecting for excess grease or Sealant on the Exterior of the steering gear due to seeing grease or sealant on certain locations on the gear.
• 10163881Jul 29, 2019Engine, Engine cooling. This informational bulletin explains how to check the NOx Catalyst Reductant-Load Adaptive Values using GSD2.
• 10163879Jul 29, 2019Transmission and drivetrain, Engine. This informational bulletin provides information ticking noise and/or noise when turning vehicle off.
• 10163900Jul 26, 2019Equipment. This informational bulletin provides process information for the (GWM) and (WPC) parts return program.
• 10163660Jul 10, 2019Electrical system. This Preliminary information communicates a possible concern of two connectors being swapped during a repair causing a P0016 code to set.
• 10163193Jun 25, 2019Equipment. This bulletin provides information on Engine Concerns that could result from lack of scheduled maintenance, improper service or aftermarket calibrations.
• 10163276Jun 5, 2019Transmission and drivetrain. This engineering informational bulletin is requesting information on the 4WD will not engage when requested.

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