Service bulletin SB777-5

Manufacturer communication, from NHTSA Manufacturer Communications

Published by NHTSA: Sep 3, 2026
Manufacturer: THERMO KING
NHTSA ID: 11036825
NHTSA category: Service Bulletin/Repair Instructions
Applies to, as stated by NHTSA: THERMO KING HEAT KING (model year not stated); THERMO KING PRECEDENT S-600 (model year not stated); THERMO KING PRECEDENT S-600M (model year not stated); THERMO KING PRECEDENT S-610DE (model year not stated); THERMO KING PRECEDENT S-610M (model year not stated); THERMO KING PRECEDENT S-700 (model year not stated); THERMO KING PRECEDENT S-750I (model year not stated); THERMO KING SLXI DRC (model year not stated); THERMO KING SLXI LOCAL (model year not stated); THERMO KING T-1080S (model year not stated); THERMO KING T-1080S SPECTRUM (model year not stated); THERMO KING T-1090 SPECTRUM (model year not stated); THERMO KING T-680S (model year not stated); THERMO KING T-690 (model year not stated); and 6 more models
Component, as stated by NHTSA: UNKNOWN OR OTHER

Text of the manufacturer communication

This bulletin contains belt tension information and specifications for all current Thermo King units

Manufacturer document number: SB777-5
Date of the communication: 2026-08-13

NHTSA reuses some ID numbers across record types. If its page lists more than one record, this one is the manufacturer communication dated Sep 3, 2026.

For the 2019 Ram 2500

Laramie Crew Cab

Ignored

Relevance of 4% is under one half, so the notice is ignored whatever the other figures say.

Vehicle relevance: 4%
Attention: 8%
Interrupt probability: 9%

Importance to this owner: 0.5 of 4, minor
Vehicle area the notice is about: None

This manufacturer communication does not appear to warrant attention for this vehicle.

Decided by jev-1.13.0 in 161 ms from 1,897 input tokens. Jev returns these figures and nothing else. It gives no reasons, and none are written for it here. The figures describe how relevant the notice is, not the condition of any vehicle.

Checked by code against NHTSA's fields

A plain comparison with the structured fields NHTSA filled in. Separate from Jev's decision.

NoNHTSA names this make

NoNHTSA names this model

n/aNHTSA lists model year 2019 for this model

The same notice, every vehicle

Relevance	Attention	Interrupt	State
4%	8%	9%	Ignored
2%	5%	6%	Ignored
2%	4%	4%	Ignored
2%	3%	4%	Ignored
2%	4%	5%	Ignored
2%	5%	6%	Ignored
2%	4%	6%	Ignored
2%	4%	5%	Ignored
1%	3%	4%	Ignored
1%	4%	5%	Ignored
1%	4%	5%	Ignored
1%	3%	4%	Ignored
1%	4%	5%	Ignored
1%	3%	4%	Ignored
1%	3%	5%	Ignored
1%	3%	4%	Ignored

Select a vehicle to see its attention and interrupt figures above.