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Service bulletin 34-070

A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.

The communication, as NHTSA indexes it (as of 2026-10-19)
TypeService bulletin
NHTSA id10150741
Published by NHTSA2018-12-10
Manufacturer's number34-070
Manufacturer's date2018-10-10
NHTSA componentELECTRICAL SYSTEM

NHTSA's summary

Fix as Fail: DAVIE4 Service Tool is unable to support software updates on VECU's with Incorrect Hardware Part Numbers

The document

The document is the manufacturer's. This site does not hold it. NHTSA files a document at one of these two addresses; we have not asked NHTSA which.

Components

Electrical system

Vehicles listed
PETERBILT 5672016, 2017, 2018
PETERBILT 5792016, 2017, 2018

Listing a model year does not mean every vehicle of it is concerned: the document says which.

Recalls for the same vehicles and component
21V00N0002021-12-29. ELECTRICAL SYSTEM:WIRING
20200902020-03-05. Electrical
20V1300002020-03-04. ELECTRICAL SYSTEM:12V/24V/48V BATTERY:CABLES
18V0920002018-02-02. ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL; POWER TRAIN:AUTOMATIC TRANSMISSION:GEAR POSITION INDICATION (PRNDL)
20173742017-07-27. Electrical
17V4710002017-07-25. ELECTRICAL SYSTEM:WIRING:FUSES AND CIRCUIT BREAKERS; EXTERIOR LIGHTING
16V4260002016-06-10. ELECTRICAL SYSTEM:IGNITION:MODULE
15V5970002015-09-24. ELECTRICAL SYSTEM:IGNITION:MODULE; ENGINE AND ENGINE COOLING:ENGINE
15V4560002015-07-22. ELECTRICAL SYSTEM:ALTERNATOR/GENERATOR/REGULATOR
20153172015-07-20. Electrical

A recall listed here may apply to some of the same vehicles. Only the manufacturer can say whether it applies to one vehicle.

Other bulletins for the same vehicles and component
E3242026-07-22. Service bulletin. The campaign expiration date has been changed to 03/01/2027.
02-1772026-06-03. Service bulletin. Troubleshooting procedures for 2.1m cab power windows are now available.
E3262026-05-06. Emissions. EPA17-24 MX Fuel Injector Connector - This bulletin has been revised to include all EPA17-24 and CARB24 PACCAR MX engines.
E3242025-09-03. Service campaign. "Campaign New and improved software is now required for chassis equipped with an Engine Model Year 2016 PACCAR MX-13 engine to maintain DEF sensor performance and ensure compliance with emissions standards.
28-0012023-10-03. Service bulletin. For all Peterbilt chassis equipped with an air shifted PTO. Oil from the air shift cover of the PTO may leak into the air line, causing the EOA solenoid to become inoperative.
32-0192023-03-01. Service bulletin. Fix As Fail – Chassis that were manufactured with certain battery cable routing brackets may experience rubbing or chafing of the battery cables.
21PBN2022-12-05. Service bulletin. 21PBN – LNG/CNG Methane Detecti on System Will Not Warn Operator if System Loses Power – NHTSA ID:21V00N, TC: 2021-793
21PBN2022-02-04. Service bulletin. Interim Safety Recall – Methane detection system will not warn the operator if the system loses power. The driver could be unaware of an issue with the methane detection system or excessive methane present, increasing the risk of a fire, crash and/or personal injury. The repair procedure will be added when it is available.
42-0592021-12-03. Service bulletin. Non-Safety Campaign - Vehicles with a Cummins X15 engine and Horton fan drive may set Diagnostic Trouble Code (DTC) 6637 and/or 3838 due to fan speed that results in the fan remaining activated until the power is cycled. A new controller will resolve the issue.
32-0172021-03-10. Service bulletin. Non-Safety Campaign – The batteries may drain quickly due to the VECU not going to sleep. Updated VECU software is available to resolve the issue.