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Jeremy
Jeremy, Certified Truck/Bus Technician
Category: Medium and Heavy Trucks
Satisfied Customers: 2990
Experience:  ASE Med/HD Truck Technician, NATEF Diesel Engines and Electrical/Electronics Technician, EPA 608/609 HVAC Certified, Steering/Suspension and ABS/Brakes Technician
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2004 Volvo with ISX no throttle pedal. Only wants to idle.

Customer Question

2004 Volvo with ISX no throttle pedal. Only wants to idle. Code 0285 and 0241 go active/inactive
Submitted: 1 year ago.
Category: Medium and Heavy Trucks
Expert:  Geoff replied 1 year ago.

Hi, my name is ***** ***** I'd like to assist you. Code 241 is for the Vehicle Speed Sensor. The ECM is not receiving a valid signal for that sensor. The sensor is actually the output speed sensor on the transmission. Code 285 is a multiplexing error. This means the ECM did not receive an expected signal from another device or computer, such as the transmission computer. If these 2 codes become active at the same time, there's a good chance the transmission is losing network communication with the engine. The best way to verify this is by using Cummins INSITE to check which ECM's are communicating with the engine over the. Etwork

Expert:  Geoff replied 1 year ago.

Over the network.

Customer: replied 1 year ago.

Does Volvo send this thru the VIM or another source. then sensor and wiring under the cab ohm ok. Need a wiring diagram to find what sends signal to the engine ecm. It is a multiplexed signal.

Expert:  Geoff replied 1 year ago.

Unfortunately I do not have Volvo schematics. If you needs those diagrams I will repost your question for another expert to answer.

Expert:  Jeremy replied 1 year ago.

My name is ***** ***** I will assist you.

May I get the full vehicle VIN so I can pull the diagrams. Which ones so you need?

Customer: replied 1 year ago.

4V4NC9TGX4N362862

Expert:  Jeremy replied 1 year ago.

CLICK HERE for what came up for your VIN on the Volvo site.

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Jeremy

Customer: replied 1 year ago.

I can not access the site.