Colorado 4WD

455 service bulletins filed with NHTSA for this model year

• May 27, 2026UNKNOWN OR OTHERPIT6519

  This preliminary information is to inform technicians and customers that the voice command will be inoperative when trying to open applications. Engineering is investigating and this PI will be converted to a bulletin when a repair is available.

• May 21, 2026UNKNOWN OR OTHERPIT6215C

  This Preliminary information communicates to dealership technicians that if they encounter a customer vehicle with this concern, to perform the steps listed and should be able to reprogram the module and correct this.

• May 21, 2026UNKNOWN OR OTHERPIP6115

  The document advise technicians after an engine repair involving removal of the camshaft actuators, the vehicle may set p1101 P0172 and or stalls when taken off idle. The technician is instructed to verify the intake and exhaust camshaft actuators are installed onto the correct camshafts.

• May 14, 2026UNKNOWN OR OTHERPIT5509M

  This PI provides diagnostic tips for diagnosing electric trailer brakes issues.

• May 14, 2026UNKNOWN OR OTHERPIC6540J

  This Preliminary information communicates to dealers a procedure to reset the radio.

• May 11, 2026UNKNOWN OR OTHERPIT6512

  This PI states that if SDGM DTC P0604/P0607 is set and no other SDGM DTCs are present, clear DTCs and reset the SDGM. Advises of how to contact PQC to authorize SDGM replacement.

• May 11, 2026UNKNOWN OR OTHERPIC6551B

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

• May 11, 2026UNKNOWN OR OTHERPIC6540H

  This Preliminary information communicates to dealers a procedure to reset the radio.

• and 447 more

Source: NHTSA manufacturer communications (technical service bulletins).