I have been supplied with a number of these turn signal switches that have a failure in the left rear output. There is no indication to the driver that the left rear turn/hazard signal is not working. The only manufacturer identification I have is MPR, these are supplied by UPS.
2016 Freightliner MT55
Owner reports · Recalls · Investigations
Limited comparison data
There is not enough comparable history to draw a useful model-year comparison.
About this comparison →How this year compares
Owner complaints by model year
Compare all MT55 years →Counts vary with age, sales and reporting. They are not failure rates.
What owners reported most
Tap a category to read its complaints. One report may name several components.
When problems were reported
Mileage at the reported incident
Limited mileage data: 0 of 1 reports include usable mileage. There isn’t enough coverage to show a useful chart.
NHTSA’s mileage field refers to the reported incident, not necessarily the filing date. This shows report counts, not the likelihood of a failure.
What to inspect
Issues worth paying extra attention to based on owner reports.
- Exterior Lighting. Review the 1 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
NHTSA owner reports · September 18, 2026 snapshot.
Exterior Lighting complaints
1 reportsOfficial recalls
115V620000 · Electrical System:ignition:module; Engine And Engine Cooling:engine
Oct 2, 2015
Daimler Trucks North America LLC (DTNA) is recalling certain model year 2016 Freightliner Cascadia, Business Class M2, 108SD, 114SD, and 122SD, Western Star 4700 and 4900, Thomas Built Buses Saf-T-Liner C2, and Freightliner MT55 vehicles manufactured August 7, 2015, to August 26, 2015. The affected vehicles are equipped with certain Cummins ISB6.7, ISL9, ISX12 or ISX15 engines whose engine control module (ECM) may short circuit and blow a fuse resulting in the engine stalling without warning.
Consequence & remedy
Consequence: An engine that stalls without warning increases the risk of a crash.
Remedy: DTNA will notify owners, and dealers will replace the ECM free of charge. The recall began on October 22, 2015. Owners may contact DTNA customer service at 1-800-745-8000. DTNA's number for this recall is FL-690.
Additional source detail variants (2)
Electrical System:ignition:module
Daimler Trucks North America LLC (DTNA) is recalling certain model year 2016 Freightliner Cascadia, Business Class M2, 108SD, 114SD, and 122SD, Western Star 4700 and 4900, Thomas Built Buses Saf-T-Liner C2, and Freightliner MT55 vehicles manufactured August 7, 2015, to August 26, 2015. The affected vehicles are equipped with certain Cummins ISB6.7, ISL9, ISX12 or ISX15 engines whose engine control module (ECM) may short circuit and blow a fuse resulting in the engine stalling without warning.
Consequence: An engine that stalls without warning increases the risk of a crash.
Remedy: DTNA will notify owners, and dealers will replace the ECM free of charge. The recall began on October 22, 2015. Owners may contact DTNA customer service at 1-800-745-8000. DTNA's number for this recall is FL-690.
Engine And Engine Cooling:engine
Daimler Trucks North America LLC (DTNA) is recalling certain model year 2016 Freightliner Cascadia, Business Class M2, 108SD, 114SD, and 122SD, Western Star 4700 and 4900, Thomas Built Buses Saf-T-Liner C2, and Freightliner MT55 vehicles manufactured August 7, 2015, to August 26, 2015. The affected vehicles are equipped with certain Cummins ISB6.7, ISL9, ISX12 or ISX15 engines whose engine control module (ECM) may short circuit and blow a fuse resulting in the engine stalling without warning.
Consequence: An engine that stalls without warning increases the risk of a crash.
Remedy: DTNA will notify owners, and dealers will replace the ECM free of charge. The recall began on October 22, 2015. Owners may contact DTNA customer service at 1-800-745-8000. DTNA's number for this recall is FL-690.
Model-level recall history does not show whether a particular VIN is affected or has received a repair. Check a VIN with NHTSA ↗
NHTSA investigations
0No exact-year investigations in this snapshot.
Illustration