# Service bulletin 18\-NA\-020

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.

- Type: Service bulletin
- NHTSA id: 10250546
- Published by NHTSA: 2024\-02\-23
- Manufacturer's number: 18\-NA\-020
- Manufacturer's date: 2024\-02\-15
- NHTSA component: STRUCTURE; ELECTRICAL SYSTEM; ENGINE AND ENGINE COOLING

## NHTSA's summary

This technical bulletin provides a procedure to replace the charge air cooler due to moisture getting inside of it and causing a malfunction indicator lamp illuminated with DTC P0300 and/or P0299/P2227.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2024/MC-10250546-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2024/MC-10250546-9999.pdf)

The document is the manufacturer's. This site does not hold it.

## Components

Body and frame, Electrical system, Engine

## Trouble codes named

P0299, P0300, P2227

## Vehicles listed

- 2018 to 2024 CHEVROLET EQUINOX
- 2018 to 2024 GMC TERRAIN
- 2022 GMC TERRAIN NA

## Recalls for the same vehicles and component

- [23V869000](/recalls/nhtsa/23V869000.md), 2023-12-21: STRUCTURE:BODY:DOOR
- [18V252000](/recalls/nhtsa/18V252000.md), 2018-04-19: STRUCTURE:EMERGENCY:ESCAPE/EGRESS/EXIT; VISIBILITY

## Other bulletins for the same vehicles and component

- [PIE0829A](/bulletins/11030339.md), 2026-03-31, Service bulletin: ELECTRICAL SYSTEM; STRUCTURE:BODY. This engineering information \(EI\) closure ends the need for gathering further information from technicians in regard to the liftgate not opening and/or partially opening.
- [25\-NA\-147](/bulletins/11026093.md), 2025-12-04, Service bulletin: ENGINE. this bulletin provides a procedure to verify if the ECM is at the latest update before testing the fuel system.
- [00\-06\-01\-026R](/bulletins/11026017.md), 2025-12-03, Service bulletin: ENGINE. This service bulletin provides information on replacing the intake manifold when the engine is replaced after severe internal engine damage.
- [25\-NA\-061](/bulletins/11025554.md), 2025-11-15, Service bulletin: ELECTRICAL SYSTEM; STRUCTURE:BODY. This technical bulletin provides a procedure to correct the condition of Driver or Passenger Rear Door Handle Will Not Fold In.
- [25\-NA\-044](/bulletins/11024498.md), 2025-10-27, Service bulletin: ELECTRICAL SYSTEM; FUEL/PROPULSION SYSTEM. This service bulletin provides information for dealers/technicians on SPS2 Hybrid/EV Battery Data Retrieval for Service High Voltage DTCs.
- [24\-NA\-202](/bulletins/11024496.md), 2025-10-27, Service bulletin: ELECTRICAL SYSTEM; FUEL/PROPULSION SYSTEM. This service bulletin provides dealers with Warranty Administration information on North American Charging Standard \(NACS\) DC Adapter Warranty Claim Information.
- [23\-NA\-170](/bulletins/11024486.md), 2025-10-25, Service bulletin: ELECTRICAL SYSTEM; ENGINE. This bulletin advises the tech to inspect deeper into what may be to main cause of an engine failure.
- [23\-NA\-153](/bulletins/11024485.md), 2025-10-25, Service bulletin: ENGINE. The service bulletin advises the tech of a normal transmission shift condition and the delay in throttle response when the throttle plate is opened rapidly and advises the customer that it is normal for the delay.
- [22\-NA\-080](/bulletins/11024330.md), 2025-10-16, Service bulletin: ENGINE. This technical bulletin provides a procedure to replace the camshaft actuator magnet to correct customer concerns of engine related shudder.
- [18\-NA\-180](/bulletins/11024324.md), 2025-10-16, Service bulletin: ELECTRICAL SYSTEM; FUEL/PROPULSION SYSTEM. This Warranty Administration service bulletin provides Lithium\-Ion battery Exchange Process and Transaction Submission information.

JSON: [/v1/bulletins/10250546](/v1/bulletins/10250546)

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