Service bulletins for the 2018 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.
1345 on file from NHTSA, as of 2026-10-19.
By type
By component
By trouble code
By topic
| 16-NA-367 | 2018-05-21. Service bulletin. EQUIPMENT; ENGINE. This informational bulletin explains the need to change the oil used in the LFV, LE2 engines, to a dexos 1 full synthetic to avoid piston damage. |
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| PIE0459 | 2018-05-21. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION. This engineering informational bulletin is requesting information from the field on vehicles that have the condition of When Shifting to Reverse Vehicle Shifts Back to Neutral, Difficult to Shift Out of Park, Drive Gear Backlighting Flashing with Multiple DTCs. |
| PIE0452A | 2018-05-21. Service bulletin. ENGINE AND ENGINE COOLING:COOLING SYSTEM. This engineering informational bulletin is requesting information from the field on vehicles that have the condition of Charge Air Cooler Ice Blockage with Malfunction Indicator Lamp Illuminated and DTC P0299 Set After Completing Bulletin 18-NA-020 |
| 15-NA-087 | 2018-05-21. Service bulletin. ELECTRICAL SYSTEM. This technical bulletin advises the technician to rest the MIL and diagnose additional DTCs for why the code is setting and disabling the start/stop system. |
| 05-00-89-029D | 2018-05-21. Service bulletin. EQUIPMENT. This informational bulletin provides information on General Motors Dealership Critical Equipment Requirements and Recommendations. |
| 04-00-89-015O | 2018-05-21. Service bulletin. EQUIPMENT. This warranty administration bulletin provide policy information on required operating procedures. |
| 03-00-89-006N | 2018-05-21. Service bulletin. EQUIPMENT. This informational bulletin provides the dealership with how to prep a vehicle for delivery to the customer to aid in higher CSi scores. |
| 00-06-01-012G | 2018-05-21. Service bulletin. ENGINE. This informational bulletin advises the possible issues that may occur using a scotch brite pad or highly abrasive disk on engine surfaces. |
| 00-03-10-002K | 2018-05-21. Service bulletin. WHEELS. This informational bulletin provides information on Chemical Staining, Pitting, Corrosion and/or Spotted Appearance of Chromed Aluminum Wheels. |
| 18NA141 | 2018-05-21. Service bulletin. EQUIPMENT:ELECTRICAL. This informational bulletin provides information on Audio Volume Stuck High or Low with No DTCs and that this is a normal characteristic. |
| 18NA138 | 2018-05-21. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.. This technical bulletin provides a procedure to replace the HMI module to correct a condition of Radio Control (ICS) Display Does Not Remain Off at Times after it Has Been Turned Off in the Radio Settings Menu due to a software concern. |
| 18NA134 | 2018-05-21. Service bulletin. EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.. This technical bulletin provides a procedure to test the radios receiver if certain XM channels cut out (mutes) depending on location of the vehicle. |
| 18NA126 | 2018-05-21. Service bulletin. STRUCTURE; ELECTRICAL SYSTEM. This informational bulletin provides information for dealership personal and technicians when replacing the body control module (BCM), that a 2nd design BCM is NOT interchangeable with the 1st design BCM. |
| 18NA125 | 2018-05-21. Service bulletin. ENGINE AND ENGINE COOLING. This informational bulletin provides information for engine oil life monitor operation calculation. |
| 18NA124 | 2018-05-21. Service bulletin. EQUIPMENT. This Bulletin provides starting point information to diagnose DTC P206B. |
| 18NA123 | 2018-05-21. Service bulletin. SERVICE BRAKES, AIR:CONTROLS, PEDALS AND LINKAGES. This informational bulletin provides a alternate way of installing a brake controller if the customer request one. |
| 18NA120 | 2018-05-21. Service bulletin. ENGINE AND ENGINE COOLING:EXHAUST SYSTEM. This technical bulletin provides a procedure to reposition the exhaust clamp to correct a condition of Exhaust Smell in Cabin and/or DTC P0421 Set due to a miss installed clamp. |
| 18NA054 | 2018-05-21. Service bulletin. POWER TRAIN. This technical bulletin provides a procedure to replace the transmission valve body separator plate for an upshift condition. |
| 17NA312 | 2018-05-21. Service bulletin. ELECTRICAL SYSTEM. This technical bulletin provides a procedure to repair the shutter harness if corrosion is found in the electrical connection. |
| 17NA269 | 2018-05-21. Service bulletin. BACK OVER PREVENTION. This Technical bulletin provides information on new software to correct the rear camera display being too bright. |
| PIE0451A | 2018-05-21. Service bulletin. ELECTRICAL SYSTEM. This engineering information bulletin is requesting information from the field on vehicles that have the condition of Malfunction Indicator Lamp Illuminated with DTC P059F Set. |
| PIE0451 | 2018-05-21. Service bulletin. ELECTRICAL SYSTEM. This engineering information bulletin is requesting information from the field on vehicles that have the condition of Malfunction Indicator Lamp Illuminated with DTC P059F Set. |
| PIE0448A | 2018-05-21. Service bulletin. AIR BAGS. This engineering informational bulletin is requesting information from the field on vehicles that have the condition of Service Airbag Indicator Illuminated with DTC U0151 Set. |
| PIE0447B | 2018-05-21. Service bulletin. EQUIPMENT:ELECTRICAL. This engineering information bulletin is requesting information from the field on vehicles that have the condition of Infotainment System Freezing and or Touch Screen Not Responding. |
| PI0754C | 2018-05-21. Service bulletin. VISIBILITY:GLASS, SIDE/REAR. This PI bulletin provides information on Rear and Side Tempered Glass Spots (Quench Marks) and they are normal characteristic. |
The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.