Terrain FWD

285 service bulletins filed with NHTSA for this model year

• 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 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 19, 2026UNKNOWN OR OTHERPIP5927E

  This Preliminary information communicates the possibility of reduced power with dtc P0237 and/or p0299 due to damaged Charge Air Inlet Pipe connection at Turbocharger.

• May 15, 2026UNKNOWN OR OTHERPIP6071C

  This Preliminary Information communicates a intermittent misfire, surge, hesitation, chuggle with a potential MIL concerning a potential skewed position 1 oxygen sensor. 2026 model year being added with break point.

• May 14, 2026UNKNOWN OR OTHERPIC6540J

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

• May 11, 2026UNKNOWN OR OTHERPIC6626A

  PI created to guide technicians through radio restriction process

• 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 277 more

Source: NHTSA manufacturer communications (technical service bulletins).