Service bulletin SB2035

Manufacturer communication, from NHTSA Manufacturer Communications

Published by NHTSA: Sep 3, 2026
Manufacturer: THERMO KING
NHTSA ID: 11036828
NHTSA category: Service Bulletin/Repair Instructions
Applies to, as stated by NHTSA: 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)
Component, as stated by NHTSA: FUEL/PROPULSION SYSTEM; UNKNOWN OR OTHER

Text of the manufacturer communication

This bulletin provides a systematic approach to diagnosing issues related to the HPCR pump and other HPCR system components. By following the recommended diagnostic process, a technician can efficiently identify the root cause, including fuel contamination and other potential causes, perform the appropriate inspections, and make informed repair decisions.

Manufacturer document number: SB2035
Date of the communication: 2026-08-27

View original source on NHTSA.gov

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 8% is under one half, so the notice is ignored whatever the other figures say.

Vehicle relevance: 8%
Attention: 36%
Interrupt probability: 28%

Importance to this owner: 0.9 of 4, minor
Vehicle area the notice is about: Engine

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

Decided by jev-1.13.0 in 97 ms from 1,731 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
8%	36%	28%	Ignored
3%	14%	10%	Ignored
3%	7%	8%	Ignored
2%	4%	6%	Ignored
2%	9%	9%	Ignored
2%	5%	7%	Ignored
2%	5%	6%	Ignored
2%	4%	6%	Ignored
2%	6%	7%	Ignored
2%	7%	8%	Ignored
2%	5%	6%	Ignored
2%	5%	6%	Ignored
2%	5%	6%	Ignored
2%	7%	6%	Ignored
1%	4%	5%	Ignored
1%	4%	6%	Ignored

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