Colorado 4WD

245 service bulletins filed with NHTSA for this model year

• Jun 5, 2026UNKNOWN OR OTHERPIT6517A

  This PI advise dealers If U3000 is present, follow the correct service doc by Symptom Byte before contacting PQC; if not present, verify the camera is clean, then contact PQC if no issue is found.

• Jun 3, 2026UNKNOWN OR OTHERPIT6503A

  This preliminary information is to inform technicians that GM is placing the B174W Front View Camera Module (ACP2) on part restriction due to elevated replacement rates and ongoing engineering investigation. Technicians must not replace the front camera module unless they have: 1.Completed the diagnostic procedure in this PI, and 2.Contacted TAC and received authorization, including the SI document number and specific step that directs camera replacement.

• May 28, 2026UNKNOWN OR OTHERPIT6517

  This PI advise dealers If U3000 is present, follow the correct service doc by Symptom Byte before contacting PQC; if not present, verify the camera is clean, then contact PQC if no issue is found.

• 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 OTHERPIT6393L

  This Preliminary Information is to inform customers to follow diagnostics if resetting, disconnecting the module did not correct it.

• May 14, 2026UNKNOWN OR OTHERPIT5509M

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

• and 237 more

Source: NHTSA manufacturer communications (technical service bulletins).