1. Home
  2. Forums
  3. Report post

Report this forum post

-01 is the seat switch circuit -99 is usually a brush wear or a temp sensor but is something that goes through the truck management module and can be whatever the engineer wants it to be.
  • Posted 10 Apr 2014 07:57
  • By edward_t
  • joined 5 Mar'08 - 2,334 messages
  • South Carolina, United States
"it's not rocket surgery"

This is ONLY to be used to report flooding, spam, advertising and problematic (harassing, abusive or crude) posts.

Indicates mandatory field
Your Focus
Carlos Mendes
Custom or standard? Choosing the right relay for the job
Carlos Mendes
Read blog
Latest job alerts …
Branch Manager
Evansville, IN, United States
Parts Clerk
Daleville, IN, United States
Truck Driver - Class A CDL
St. Louis, MO, United States
TMF Program Manager
Uxbridge, Canada
View more jobs alerts
Movers & Shakers
Jeannette Walker Jeannette Walker
Jeannette Walker
CEO, MHEDA
Stéphane Hénon
President, European Rental Association (ERA)
Tejal Ranjan
Chief marketing officer, JLT Mobile Computers
Pete Stanislawczyk
Chief executive officer, East Penn Manufacturing
Global Industry News
edition #1236 - 26 June 2025
As June comes to a close, the month when our sector recognises National Forklift Safety Day , the United Kingdom’s Association of Industrial Truck Trainers (AITT) has issued a timely reminder of the need to ensure any staff training is fully accredited... Continue reading

Showcased in the Virtual Expo

Movers & Shakers
Jeannette Walker Jeannette Walker
Jeannette Walker
CEO, MHEDA
Stéphane Hénon
President, European Rental Association (ERA)
Tejal Ranjan
Chief marketing officer, JLT Mobile Computers
Pete Stanislawczyk
Chief executive officer, East Penn Manufacturing

Showcased in the Virtual Expo

From the forum discussions …
"Unicarriers - it would have to be for a dual fuel unit also. Usually a bad cam or crankshaft sensor will throw a E-27 or a E-28 code on the dash panel... If it does not light up and the bulb is bad then it will not start also."
mwjago, United States
Read & Post in our Forums
Fact of the week
Sourdough bread contains Lactobacillus reuteri, a probiotic bacteria. During pregnancy and breastfeeding, these bacteria can travel from the mother's colon to her breast tissue and be passed to the infant through breast milk. It offers various health benefits, including potential protection against breast cancer.