KENWORTH T800 (2018) recall — Engine And Engine Cooling
PACCAR recalls certain 2016-2019 Kenworth T800 trucks with 1.9M ISX15 engines due to potential engine failure without warning. Owners must have harness inspected or replaced free by dealers.
Use caution until it’s fixed
If the driver is not warned of a serious engine problem, the engine may unexpectedly fail, increasing the risk of a crash.
Contact the company & request your remedy
What happened, in plain English
PACCAR is recalling Kenworth T800 trucks from 2016-2019 that may have engine harnesses without check engine and stop engine light circuits. This could cause the engine to fail unexpectedly, increasing crash risk if the driver isn't warned. Read more at govinfonow.com/recall/1225108-kenworth-t800-2018-engine-recall-risk-of-unplanned-engine-failure.
Source Summary by GovInfoNow · govinfonow.com/recall/1225108-kenworth-t800-2018-engine-recall-risk-of-unplanned-engine-failure · Updated October 6, 2026 · Official notice: NHTSA #18V555000
Cite this page
“Kenworth T800 (2018) Engine Recall: Risk of Unplanned Engine Failure.” GovInfoNow, updated October 6, 2026. https://govinfonow.com/recall/1225108-kenworth-t800-2018-engine-recall-risk-of-unplanned-engine-failure. Based on NHTSA recall #18V555000 (https://www.nhtsa.gov/recalls?nhtsaId=18V555000).
Why it’s dangerous
The engine harnesses may lack check engine light (CEL) and stop engine light (SEL) circuits. This means the driver won't get warning if the engine has a serious problem, potentially causing the engine to fail unexpectedly and increasing crash risk.
Who’s affected
Owners of Kenworth T800 trucks with 1.9M ISX15 engines from 2016-2019 are affected. Commercial truck drivers using these vehicles are most at risk due to potential engine failure without warning.
How to tell if you have this one
Check if your Kenworth T800 truck was manufactured between 2016 and 2019 with a 1.9M ISX15 engine. The recall covers specific models: C500, T660, T800, and W900.
- Brand
Kenworth- Category
Vehicle
What to do — step by step
Contact PACCAR
Call PACCAR customer service at 1-918-259-3258 to schedule a dealer inspection or repair.
Have Harness Inspected
Dealers will inspect or test the engine harness and install a free overlay jumper harness to fix missing CEL and SEL circuits.
What NHTSA says to do
PACCAR will notify owners, and dealers will inspect or test the ISX15 engine harness, and install an overlay jumper harness to supply the missing CEL and SEL circuits, free of charge. The recall began November 30, 2018. Owners may contact PACCAR customer service at 1-918-259-3258. PACCAR's number for this recall is 18KWE.
Questions people ask
Why is this recall happening?
The engine harnesses may have been manufactured without check engine light (CEL) and stop engine light (SEL) circuits, preventing drivers from being warned of serious engine problems.
What should I do if I own a recalled truck?
Contact PACCAR customer service at 1-918-259-3258 to schedule a dealer inspection or repair. Dealers will fix the harness for free.
Is this recall affecting all Kenworth T800 trucks?
No, only 2016-2019 models with 1.9M ISX15 engines (C500, T660, T800, W900) are affected.
Contact Kenworth
We’ve drafted a message you can send Kenworth to request your refund or repair — edit it as you like.
Subject: Recall 18V555000 — Kenworth Kenworth Hello, I own a Kenworth that is covered by recall 18V555000 from Kenworth. The official recall notice states: PACCAR will notify owners, and dealers will inspect or test the ISX15 engine harness, and install an overlay jumper harness to supply the missing CEL and SEL circuits, free of charge. The recall began November 30, 2018. Owners may contact PACCAR customer service at 1-918-259-3258. PACCAR's number for this recall is 18KWE. I’m writing to arrange the remedy described in the recall (a refund, repair, or replacement as applicable). Could you please tell me the next steps to resolve this? Thank you.
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Where this comes from
The facts (hazard, remedy, dates, manufacturer) are pulled from the official NHTSA recall record. The plain-language summary and step-by-step checklist are written by GovInfoNow to make the official notice easier to act on — they don’t replace it.
- Official source: NHTSA Recall #18V555000 (August 22, 2018)
- Plain-language summary written by qwen3:4b on October 6, 2026, from the official record above. Not reviewed by a person — if it conflicts with the NHTSA notice, the notice is correct. Report an error on this page.
- GovInfoNow is an independent service and is not a government agency. We republish official NHTSA recall data; we don’t issue, amend or administer recalls.