Severity
Critical
GMC 2018: AIR BAGS: AIR BAG/RESTRAINT CONTROL MODULE
Reported: May 24, 2018 Initiated: May 24, 2018 #18V340000
GMC issued this NHTSA recall on May 24, 2018. Classified as Critical severity. The recall was issued because: General Motors LLC (GM) is recalling certain 2018 GMC Terrain vehicles. The sensing diagnostic module (SDM) that sense…. This recall notice is sourced from official NHTSA enforcement records. Below you will find the complete product description, hazard information, remedy instructions, and related recalls from the same manufacturer or product category.
Recall Insight
This NHTSA action (record #18V340000) was formally reported on May 24, 2018. It is classified under Critical severity, with a current status of Active. GMC is listed as the recalling firm. The number of affected units is not disclosed in the agency filing, which is common for drug and food recalls where lot-level tracking supersedes unit counts.
The documented reason for this recall is: General Motors LLC (GM) is recalling certain 2018 GMC Terrain vehicles. The sensing diagnostic module (SDM) that senses a crash and deploys the necessary air bags may not power down correctly when the vehicle is shut o… The specific hazard cited in the filing is: If the SDM becomes inoperative, it will not detect a crash or command the necessary air bag deployment, increasing the risk of injury in the event of a crash.. Distribution data in the federal record shows the product reached: United States. Distribution scope directly affects the consumer exposure window and determines whether a recall remains regional or escalates into a nationwide advisory. The remedy documented by the agency is: GM will notify owners, and dealers will reprogram the SDM with updated software, free of charge. The recall began June 29, 2018. Owners may contact GMC customer service at 1-800-462-8782. GM's num… — consumers holding this product should act on that instruction rather than relying on general guidance.
To put this record in context, PlainRecalls indexes 83,949 recalls across the FDA, CPSC, NHTSA and USDA FSIS going back to 1995. Within the same product category, the database holds 6 closely related recalls, of which 1 were also issued by NHTSA. That clustering is a signal — repeated actions in a narrow category often indicate a systemic quality-control issue, a supplier-wide contamination, or a design defect that has propagated across product lines. This recall is roughly 8 years old; older recalls can remain relevant because many units enter resale, rental, and secondary-market channels where the original warning never reaches the end user. Always cross-check the recall number against the official agency page before relying on any summary.
Recall Distribution by Severity Class
Units Affected
Unknown
Related Recalls
6
1 from same agency
Product Description
General Motors LLC (GM) is recalling certain 2018 GMC Terrain vehicles. The sensing diagnostic module (SDM) that senses a crash and deploys the necessary air bags may not power down correctly when the vehicle is shut off, causing it to be inoperative when the vehicle is restarted.
Reason for Recall
General Motors LLC (GM) is recalling certain 2018 GMC Terrain vehicles. The sensing diagnostic module (SDM) that senses a crash and deploys the necessary air bags may not power down correctly when the vehicle is shut off, causing it to be inoperative when the vehicle is restarted.
Hazard
If the SDM becomes inoperative, it will not detect a crash or command the necessary air bag deployment, increasing the risk of injury in the event of a crash.
Remedy
GM will notify owners, and dealers will reprogram the SDM with updated software, free of charge. The recall began June 29, 2018. Owners may contact GMC customer service at 1-800-462-8782. GM's number for this recall is 18179.
Details
- Recalling Firm
- GMC
- Distribution
- United States
- Official Source
- https://www.nhtsa.gov/recalls?nhtsaId=18V340000
Recall Profile
| Attribute | Value |
|---|---|
| Agency | National Highway Traffic Safety Administration |
| Severity class | Critical |
| Status | Active |
| Recall number | 18V340000 |
| Date reported | May 24, 2018 |
| Date initiated | May 24, 2018 |
| Recalling firm | GMC |
| Units affected | Not disclosed |
| Distribution | United States |
Profile values are sourced directly from the official NHTSA enforcement record. Source: National Highway Traffic Safety Administration.
Frequently Asked Questions
What product was recalled? ▼
General Motors LLC (GM) is recalling certain 2018 GMC Terrain vehicles. The sensing diagnostic module (SDM) that senses a crash and deploys the necessary air bags may not power down correctly when the vehicle is shut off, causing it to be inoperative when the vehicle is restarted.. Recalled by GMC.
Why was this product recalled? ▼
General Motors LLC (GM) is recalling certain 2018 GMC Terrain vehicles. The sensing diagnostic module (SDM) that senses a crash and deploys the necessary air bags may not power down correctly when the vehicle is shut off, causing it to be inoperative when the vehicle is restarted.
What should consumers do? ▼
GM will notify owners, and dealers will reprogram the SDM with updated software, free of charge. The recall began June 29, 2018. Owners may contact GMC customer service at 1-800-462-8782. GM's number for this recall is 18179.
Which agency issued this recall? ▼
This recall was issued by the NHTSA on May 24, 2018. Severity: Critical. Recall number: 18V340000.
Where was the recalled product distributed? ▼
Distribution: United States.
How do I check if my product is affected by a recall? ▼
Check the product description and recall number (18V340000) against your product. Visit the official NHTSA website for the most current information. You can also use our Recall Checker tool to search by product name or brand.
How do I report an injury from a recalled product? ▼
Report injuries to the issuing agency: CPSC at SaferProducts.gov, NHTSA at nhtsa.gov/report-a-safety-problem, or FDA via MedWatch. Document the product (photos, model/serial numbers, purchase receipts) and seek medical attention. Injury reports help agencies track hazard patterns and may strengthen enforcement actions.
Recall Guides
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Understanding Recall Severity Classes
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Recall Context
Product recalls are issued when a manufacturer, distributor, or federal agency determines that a product poses a safety risk to consumers. This recall is classified as critical severity, meaning the product carries a reasonable probability of serious adverse health consequences or death. Across PlainRecalls, we track 83,000+ recalls from FDA, CPSC, and NHTSA to help consumers stay informed and act quickly when safety issues arise.
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Data Sources
Data as of 2025. Source: FDA, CPSC, NHTSA, USDA FSIS federal recall databases.
- Source: FDA — Food and Drug Administration, openFDA Enforcement API (food, drug, and medical device recalls)
- Source: CPSC — Consumer Product Safety Commission Recalls API (consumer product recalls and hazards)
- Source: NHTSA — National Highway Traffic Safety Administration Recalls API (vehicle safety recalls)
- Source: USDA FSIS — Food Safety and Inspection Service (meat, poultry, and egg product recalls)
Recall information is sourced from official federal agency databases. Always verify recall details with the issuing agency for the most current status. This information is for research and awareness purposes only.
Read our methodology — how this data is sourced, computed, and verified.
All federal data sources used on this page
- U.S. Census Bureau ACS — demographic + housing + income data. census.gov/programs-surveys/acs
- BLS Occupational Employment and Wage Statistics (OEWS) — wage + employment by occupation. bls.gov/oes
- BEA Regional Economic Accounts — GDP + personal income by state/metro. bea.gov/data/regional
- U.S. Census Bureau County Business Patterns — establishment + employment by industry. census.gov/cbp
- IRS Statistics of Income (SOI) — tax-return aggregate data. irs.gov/statistics
- data.gov — U.S. federal open-data portal — discovery layer for additional federal sources. data.gov
Source: Federal recall agencies (FDA, CPSC, NHTSA, USDA FSIS) Aggregated multi-agency recall feeds · 2024 Recall data normalized across federal agency feeds; severity classifications follow each agency's own taxonomy (FDA Class I/II/III; CPSC, NHTSA, USDA FSIS).