TSB: VOLVO VNL, VNM, VNR, VNX, VT (2013–2018)

Bulletin K33997396 — July 24, 2018

Bulletin Details

Bulletin IDK33997396
ManufacturerVOLVO
ModelsVNL, VNM, VNR, VNX, VT
Model Years2013–2018
Date IssuedJuly 24, 2018
Date Added to NHTSAAugust 20, 2018
ComponentELECTRICAL SYSTEM
Vehicles Affected20 combinations

What is a TSB?

A Technical Service Bulletin is a document issued by the vehicle manufacturer to inform dealership technicians about a known issue and the recommended repair procedure. TSBs are not mandatory recalls — they serve as repair guidance for common problems.

If your vehicle has this issue, bring this bulletin ID to your dealer. If under warranty, the repair should be covered at no cost.

Summary

Equipped With A Body Builder Module ( BBM ) - Bodybuilder Applications Receiving Erratic Vehicle Road Speed Signal; Vehicle Speed Reading Incorrectly From BBM At Low Road Speeds, Jumping/Spiking/Changing Reading During Steady Operation

Affected Vehicles

MakeModelYearComponent
VOLVO VNX 2018 160000 STRUCTURE
VOLVO VNX 2018 110000 ELECTRICAL SYSTEM
VOLVO VNX 2017 110000 ELECTRICAL SYSTEM
VOLVO VNX 2017 160000 STRUCTURE
VOLVO VNX 2016 110000 ELECTRICAL SYSTEM
VOLVO VNX 2016 160000 STRUCTURE
VOLVO VNX 2015 110000 ELECTRICAL SYSTEM
VOLVO VNX 2015 160000 STRUCTURE
VOLVO VNX 2014 110000 ELECTRICAL SYSTEM
VOLVO VNX 2014 160000 STRUCTURE
VOLVO VNX 2013 110000 ELECTRICAL SYSTEM
VOLVO VNX 2013 160000 STRUCTURE
VOLVO VNL 110000 ELECTRICAL SYSTEM
VOLVO VNL 160000 STRUCTURE
VOLVO VNM 160000 STRUCTURE
VOLVO VNM 110000 ELECTRICAL SYSTEM
VOLVO VNR 110000 ELECTRICAL SYSTEM
VOLVO VNR 160000 STRUCTURE
VOLVO VT 110000 ELECTRICAL SYSTEM
VOLVO VT 160000 STRUCTURE

Related VOLVO Recalls

CampaignModelYearComponentSummary
VNL (4) 2026 SERVICE BRAKES, AIR:ANTILOCK:CONTROL ... Volvo Trucks North America (Volvo Trucks) is recalling certain 2026-2027 VNR ...
VNL (4) 2027 SERVICE BRAKES, AIR:ANTILOCK:CONTROL ... Volvo Trucks North America (Volvo Trucks) is recalling certain 2026-2027 VNR ...
VNR (4) 2027 SERVICE BRAKES, AIR:ANTILOCK:CONTROL ... Volvo Trucks North America (Volvo Trucks) is recalling certain 2026-2027 VNR ...
VNL (4) 2025 SERVICE BRAKES, AIR:ANTILOCK:CONTROL ... Volvo Trucks North America (Volvo Trucks) is recalling certain 2026-2027 VNR ...
VNR (4) 2026 SERVICE BRAKES, AIR:ANTILOCK:CONTROL ... Volvo Trucks North America (Volvo Trucks) is recalling certain 2026-2027 VNR ...

What Should You Do?

If your vehicle is affected by this TSB, contact your authorized VOLVO dealer. Bring this bulletin ID (K33997396) when you visit. If under warranty, the repair should be free. If your warranty has expired, ask about goodwill coverage — manufacturers sometimes cover TSB-related repairs beyond the warranty period.

Frequently Asked Questions

A recall is a mandatory safety fix — the manufacturer must repair every affected vehicle for free. A TSB is an advisory document that describes a known issue and the recommended fix, but repairs are not required. However, some TSBs eventually lead to recalls if the issue poses a safety risk. TSBs are generally issued for quality or performance problems, while recalls address safety defects.

If your vehicle is still under the manufacturer's warranty, TSB-related repairs are typically covered at no cost. If your warranty has expired, you can ask the dealer about goodwill or customer assistance programs. Many manufacturers will cover or partially cover repairs for well-known issues, especially if the TSB was issued recently or affects a large number of vehicles.

Check the make, model, and model year listed above against your vehicle. If they match, this bulletin likely applies. However, TSBs may only affect vehicles with specific production dates, VIN ranges, or configurations. Your dealer can confirm by entering your VIN into their service system, which will show all applicable TSBs and recalls.

This data comes from the National Highway Traffic Safety Administration (NHTSA). Manufacturers are required to submit copies of all communications (including TSBs) sent to their dealers to NHTSA. The agency makes this data publicly available as part of its vehicle safety monitoring program.