Navistar 2020 IC Bus Electrical System Recall: Unintended Engine Starts Risk
Navistar recalls 2020 IC school buses with specific electrical systems due to risk of unintended engine starts during service. Owners must have repair completed by dealers to prevent injury.
Use caution until it’s fixed
If the ignition is in the run position and the engine starts unexpectedly while the vehicle is being serviced, there would be an increased risk of personal injury.
What happened, in plain English
Navistar is recalling certain 2020 IC school buses with specific electrical systems because a fault can cause the engine to start unexpectedly while being serviced, potentially causing injury. This issue affects vehicles with PSI gasoline or propane engines and C7 Body Control Modules. Read more at govinfonow.com/recall/79674-navistar-2020-ic-bus-electrical-system-recall-unintended-engine-starts.
Source Summary by GovInfoNow · govinfonow.com/recall/79674-navistar-2020-ic-bus-electrical-system-recall-unintended-engine-starts · Updated October 5, 2026 · Official notice: NHTSA #19V534000
Cite this page
“Navistar 2020 IC Bus Electrical System Recall: Unintended Engine Starts Risk.” GovInfoNow, updated October 5, 2026. https://govinfonow.com/recall/79674-navistar-2020-ic-bus-electrical-system-recall-unintended-engine-starts. Based on NHTSA recall #19V534000 (https://www.nhtsa.gov/recalls?nhtsaId=19V534000).
Why it’s dangerous
The electrical system can malfunction when the vehicle is being serviced, causing the engine to start unexpectedly while the ignition is in run position and transmission is in park or neutral. This creates a risk of injury from sudden movement or collision.
Who’s affected
Owners of 2020 Navistar IC school buses with PSI gasoline or propane engines and C7 Body Control Modules are affected. Drivers and mechanics working on these vehicles during service are at highest risk.
How to tell if you have this one
Check if your 2020 Navistar IC school bus has a PSI gasoline or propane engine and C7 Body Control Module. The recall started September 12, 2019, and applies to vehicles sold with specific electrical configurations.
- Brand
Navistar- Category
Vehicle
What to do — step by step
Contact Dealer for Repair
Navistar dealers will install a free overlay harness and relay to fix the electrical system issue without requiring additional action from the owner.
What NHTSA says to do
Navistar will notify owners, and dealers will install an overlay harness and relay to provide electrical power to the starter circuit, instead of using the BCM to provide power. This repair will be performed free of charge. The recall began September 12, 2019. Navistar's number for this recall is 19512.
How this recall unfolded
Recall timeline
2 dated steps over 57 days.
- NHTSA received the defect report
- Recall began
Dates from the agency record only; steps without a date are left out.
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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 #19V534000 (July 17, 2019)
- Plain-language summary written by qwen3:4b on October 5, 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.