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NHTSA recall,

Nova Bus Casco Engine Coolant Level Sensors

The Casco engine coolant level sensor can send a false signal, causing the engine to shut down, increasing crash risk.

Summary by Recall Canary from the NHTSA notice

What happened

Nova Bus (US) Inc. is recalling certain Casco engine coolant level sensors. The coolant sensor could send a false signal, causing the engine to shut down. An unexpected engine shut down can increase the risk of a crash, and transferring passengers from the disabled bus can increase the risk of injury. The recall was reported to NHTSA on September 3, 2026, and affects 591 units nationwide.

The recall expands 25E012. Nova Bus will reimburse owners for the replacement of the sensor, free of charge. Owner notification letters are expected to be mailed November 2, 2026.

More engine defect recalls

What to do

If yours is included:

  1. Nova Bus will reimburse the owners for the replacement of the sensor, free of charge.
  2. Owner notification letters are expected to be mailed November 2, 2026. You may contact Nova Bus customer service at 1-800-350-6682.
  3. Watch your mail.

What you get Free repair

Full text from NHTSA

Nova Bus will reimburse the owners for the replacement of the sensor, free of charge. Owner notification letters are expected to be mailed November 2, 2026. Owners may contact Nova Bus customer service at 1-800-350-6682. Nova Bus's number for this recall is ER5937. This recall expands 25E012.

Is yours affected?

Check yours against the codes the NHTSA notice names below.

  1. Casco Coolant Level(ECL) Sensor, Engine and Engine Cooling

From the NHTSA notice

Nova Bus (US) Inc. (Nova Bus) is recalling certain Casco engine coolant level sensors with part number N108036.

Recall details

Reported to NHTSA
Status
Open
Weekly archive
Listed the week of Aug 31, 2026
Sold in
Nationwide
Manufacturer
Nova Bus (US) Inc.
Component
Engine defect
Risk

No NHTSA driving warning

How risk is rated

NHTSA campaign number
26E062000
Units affected
591
Repair cost
Free of charge
Owner letters expected
Manufacturer's recall number
ER5937
Manufacturer phone
1-800-350-6682

All recalls from Nova Bus (US) Inc.

Timeline

  1. Reported to NHTSA

  2. Added to Recall Canary

  3. Summary updated

More from Nova Bus

See all: More from Nova Bus

Summary by Recall Canary, written with AI · summary updated Oct 31, 2026 · primary source: U.S. National Highway Traffic Safety Administration (opens in a new tab)