WenmarOpen by Wenmar Pro

Service bulletins for the 2020 GMC Terrain

A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.

844 on file from NHTSA, as of 2026-10-19.

About P0506 on the 2020 GMC Terrain: what the code means, and the bulletins and recalls about the same components.

By type

By component

By trouble code

By topic

Only bulletins with trouble code: P0506 are shown. Show all

Bulletins, newest first
PIP5651G2022-11-21. Service bulletin. STRUCTURE; POWER TRAIN. This Preliminary information communicates the possibility of the charge air cooler pipe connection becoming disconnected from the throttle body causing a reduced power issue and one or more of the following trouble codes P0172, P0299, P0101, P0506, P1101.
22-NA-2242022-11-09. Service bulletin. ENGINE AND ENGINE COOLING. This service bulletin provides a repair procedure to correct a customer concern of Reduced Engine Power, Malfunction Indicator Lamp (MIL) Illuminated - DTCs P0101, P0172, P0299, P0506, and/or P1101 Set.
PIP5710A2022-08-15. Service bulletin. ENGINE AND ENGINE COOLING. This Preliminary information communicates the possiblilty of the charge air cooler tube becoming disconnected from the throttle body and causing reduced power with dtc P0172 P0299 P0101 P0506 P1101
PIP5651F2021-09-13. Service bulletin. STRUCTURE; POWER TRAIN. This Preliminary information communicates the possibility of the charge air cooler pipe connection becoming disconnected from the throttle body causing a reduced power issue and one or more of the following trouble codes P0172, P0299, P0101, P0506, P1101.
PIP5651E2021-09-13. Service bulletin. STRUCTURE; POWER TRAIN. This Preliminary information communicates the possibility of the charge air cooler pipe connection becoming disconnected from the throttle body causing a reduced power issue and one or more of the following trouble codes P0172, P0299, P0101, P0506, P1101.
PIP5710A2020-09-14. Service bulletin. ENGINE AND ENGINE COOLING. This Preliminary information communicates the possiblilty of the charge air cooler tube becoming disconnected from the throttle body and causing reduced power with dtc P0172 P0299 P0101 P0506 P1101
PIE0569B2020-09-08. Service bulletin. EQUIPMENT; ENGINE. This engineering information (EI) is requesting information from technicians to perform the check list provided and contact the engineer listed in regards to Loss of Power, Hesitation and/or Stalls, DTCs P0172, P0299, P0101, P0506 and/or P1101 Set.
PIE05692020-06-22. Service bulletin. ENGINE. This engineering information (EI) is requesting information from technicians to perform the check list provided and contact the engineer listed in regards to Loss of Power, Hesitation and/or Stalls, DTCs P0172, P0299, P0101, P0506 and/or P1101 Set.
PIP57102020-03-09. Service bulletin. EQUIPMENT; ENGINE. This Preliminary information communicates the possiblilty of the charge air cooler tube becoming disconnected from the throttle body and causing reduced power with dtc P0172 P0299 P0101 P0506 P1101

The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.