Discussion in ' Volvo Forum ' started by MxguyvolvoJul 22, Log in or Sign up. Find Trucking Jobs. Jul 22, 1. I have a Volvo vtmy headlights will not turn offeven with the key out of the ignition.

On my message board it says light control module fail. Has Anybody had this problem and how hard is it to change the module.? MxguyvolvoJul 22, Yes, let employers and TruckersReport text me with new opportunities, job alerts and other career information to the number I provided.

There is no charge for this service, but standard message and data rates may apply. Jul 23, 2. Check grounds first. Try putting a jumper cable connecting battery ground to a ground lug on the front of the firewall. The electrical system goes totally nuts in these trucks when they lose good ground.

Snailexpress Thanks this. Jul 23, 3. Jul 23, 4. Jul 23, 5. If you need one check eBay. Helowrenchturn2Jul 23, Aug 1, 6. OP, any updates on findings? Nov 14, 7. Nov 14, 8.

volvo fh light control module

I believe your problem regarding headlights would have been solved. So can you tell me what's the dealer did because I got the same problem. Headlights stay on while I turned off my truck. Oct 12, Please help. Show Ignored Content.Having trouble finding your part? Let TPI find the part for you. We want to hear from you! Please use this form to send us anything regarding your user experience with TPI.

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Refine your search results. Detailed Detailed View List View. Elkton, Maryland. Truck Year And Up. Truck Make Volvo. Truck Model VNL. Call the following number for the part. Truck Model Other. Winnipeg, Manitoba. Truck Year Derma, Mississippi.

Andrews, Manitoba. Truck Year Universal. Truck Model VN. Beauce, Quebec. ABS Make Other.

Volvo Truck Workshop Manual free download

ABS Model Other. Delisle, Saskatchewan. No photo. ABS Make Wabco. Used take off on Shelf.

Volvo truck fuse box locations

Knorr-Bremse Bendix stability sensor KE4. Laveen, Arizona. Phoenix, Arizona. Lakeville, Minnesota. ABS Make Volvo. Winger, Minnesota. Volvo LCM light control module. Bradford, Ontario. LCM, a2c, H Tested, works. Truck Year Not Available. Chamberlain, South Dakota. Running Lights Module Volvo truck have many different types, we only list one type among them here.

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volvo fh light control module

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Volvo ECMs (Control Modules) Parts

Boost efficiency think air deflectors and software packages. And make your workplace a home from home hello coffee maker. So whatever equipment, features and finishing touches complete your perfect truck, this is where to find them. It is best to combine the side deflector with the roof deflector. In this way, air resistance is optimally reduced and the truck will also gain a more appealing design. The airflow system consists of air deflectors on the roof, sides and bumper spoiler.

The roof air deflector is a vital part of the airflow system. Perfect for preventing wind and rain into the cab. Delivered as a kit for the left and right side of the cab. The sun visor significantly reduces sun glare in cab.

It also keeps the cab cooler. Impact and heat resistant. The water tank is specially designed to fit the lower exterior storage on the new Volvo FH.

Pull out, turn the tap and drink, wash or fill-up bottles. The bumper spoiler improves aerodynamics and can yield fuel savings.Page of Go. Quick Links. See also: Operator's Manual. Service Manual. Table of Contents. Oil and filter change intervals for volvo components 19 pages.

No part of this publication may be reproduced, stored in retrieval system, or transmitted in any forms by any means, electronic, me- chanical, photocopying, recording or otherwise, without the prior written permission of Volvo Trucks North America, Inc. Page 5: General Every effort has been made to provide trouble-free operation, easy maintenance and service, and to provide maximum life of the system and its components. The chart below can be used to determine the proper wire size for 12 volt systems.

A multimeter such as a Fluke 87 is recommended for troubleshooting. When working at the anti-static workbench, always keep a wrist strap connected to the anti-static mat. If it starts at the battery, it must return to the battery. It refers to a circuit that is completed in the wrong way, such as two bare wires touching each other, so that the current bypasses part of the normal circuit.

Voltage measured in volts is the force or pressure which pushes the current through the conductor. The voltage remains the same across each branch of the circuit as though each branch was connected directly to the source voltage. The two circuits above and below each other are in parallel since there are two current paths. The circuit number is stamped into the insulation every 76 mm 3 in. Page 17 Circuit breakers are optional equipment. They may be used on accessory and ignition circuits only.

Circuit breakers protect a circuit from overload. Switches are usually at the beginning of a circuit but can be used to control a ground path.Breakage or partial damage to the data channel wiring. Short circuit of data channel wires to ground or to higher voltage.

Invalid messages from other blocks. Check fault codes in other control units. Internal fault in the unit. Replace control unit. Try turning off the battery power for at least 15 seconds, reprogram the LCM. If the fault persists, replace the LCM unit.

A broken power wire between the LCM unit and the lamp, a broken wire between the lamp and a mass point, or a faulty lamp.

Volvo FH Accessories

Short circuit of the wire to ground between the LCM unit and the lamp. An open wire between the LCM unit and the lamps, a broken wire between the lamps and a point of mass, or the lamps are faulty. Short circuit of a wire to ground between the LCM unit and the lamps. A broken power wire between the LCM unit and the lamps, a broken wire between the lamps and a point of mass, or the lamps are faulty. Short circuit of the wire to ground between the LCM unit and the lamps. An open wire between the LCM unit and the lamps, a broken wire between the lamp and a ground point, or the lamps are faulty.

Shorting the wires between the LCM unit and the lamps at a higher voltage or faulty lamps. The wiring is shorted between the LCM unit and the lamps to ground.

A broken power wire between the LCM unit and the lamps, a broken wire between the lamps and a point of mass or a faulty lamp. There is a wire break between the LCM unit and the lamps, a wire breakage between the lamp and a point of mass, or the lamps are faulty.

Broken wire between the LCM unit and the lamps, broken wire between the lamp and the ground point, or faulty lamps. A broken power wire between the LCM and the lamp, a broken wire between the lamp and a mass point or a faulty lamp.

Shorting the wire between the LCM and the relay to the power wire. Shorting the wire between the LCM unit and the relay to ground. A short in the wire between the LCM unit and the instrument panel lamps on the power wire. There is a break in the wiring between the LCM unit and the instrument panel, and a short circuit between the LCM unit and the instrument panel lamps to ground.

Shorting the wire between the LCM unit and the lamps on the power wire. First check all lamps. Shorting the wires between the LCM unit and the lamps to ground. There is a break in the wiring between the LCM unit and the lamps, or the lamps are faulty. Short circuit in the wiring between the LCM unit and the lamps. Short circuit between the LCM unit and the lamps.

Shorting the wiring between the LCM and the light switch to the power wire.

volvo fh light control module

Short circuit between the LCM unit and the light switch to ground.This operation is used to update vehicle data in the central systems when replacing a control unit with a new part number.

The operation ensures that the correct information about the vehicle is stored in the central system. Select the part number for the new control unit from the list. The control unit concerned must be programmed once this operation has been performed. This operation is used when replacing a component in the vehicle.

The operation reads off the information from the vehicle and replaces the component in the central system along with the new components serial number.

This operation is performed to update the vehicle with the correct information when installing a component. This operation is used to return a component to the central system.

If a vehicle, where a component has been removed, is to be returned to service, then a new component must be retrieved from the central system. This operation is used to update vehicle data in the central systems when ordering accessories. Enter the accessory kit part number.

This operation is used for programming the AdBlue dosing system control unit. This operation must be used when replacing the control unit. The operation reads the software and parameter settings from the old control module and programs these settings into the new control module.

The operation is also used when reprogramming an existing control unit, for example when a conversion kit has been ordered necessitating reprogramming of the control unit. In the beginning of the operation you have three options:. All data from the old control unit is transferred to the new control unit. Only new parameters or new parts of the software are programmed so this is normally the fastest option. Note that this option is not available in Intermediate storage. This operation is used in the campaign for programming the AdBlue dosing system control unit.

The operation can only be performed when Volvo has issued a bulletin directing it. This operation is used to program the ACC control unit. This operation is used to campaign program the ACC control unit.

Adaptive cruise control The operation can only be carried out when Volvo has sent out a message about it. This operation is used for campaign programming of the engine control unit. The operation can only be done when Volvo has issued a bulletin about it. This operation is used to program the engine control unit. This operation is used for campaign programming of the exterior lighting control unit LCM. This operation is only possible when Volvo has sent the appropriate message.

This operation is used to campaign program the vehicle control unit. This operation is used to program the vehicle control unit. This operation is used for campaign programming of the electronic start inhibitor. This operation is used to program the immobilizer. This operation is used to campaign program the instrument, centre module. This operation is used to program the instrument, centre module. The operation can only be carried out when Volvo has sent out a message about it.

This operation is used to program the odometer.

Volvo VNL Service Manual

The operation is used to program the correct odometer reading for a replacement control unit for the instrument. This operation is used for programming the telematic control unit, Dynafleet Driver Tool.

This operation is used with campaigns for programming the telematic control unit Dynafleet Driver Tool.