Volvo V40 - Recent Questions, Troubleshooting & Support - Page 5
My volvo v40 t reg losing power when driving and shuddering "?"
Sounds like you are misfiring. You should have Check Engine light illuminated and probably flashing. Take it to Autozone (or similar) and they will hook up to your cars computer and pull the Diagnostic Trouble Codes (DTCs) from it for free. Find out if you are misfiring on only one cylinder or on multiple cylinders and get back to us with the code(s) given. Good luck.
Radio just shows off
Turn the key into position "1" and turn on the radio (of course it will not be functioning but must be on power).
My headlight on my volvo v4o isn't working i have replace bulb
If the fuse is OK it is probably Central Electronic Module. There are some relays in it that switch high-current deviced as headlights. The relays sometimes are dead after years of work. It is possible to replace only the relays (about 1 euro) instead of whole module (a few hundred euros at the dealer).
Both Volvo S40 Headlights went out while driving???
Always the first check is bulbs. You have to physically replace bulbs because sometimes a bad one looks like good.
If there is no voltage at both lamps check Central Electronic Module. In European models it is located behind the cover that is under the steering wheel, at the left side, next to front hood open lever.
Wipers make poor contact on V40
Check if the axle is perpendicular to the glass surface. If so, replase the arm because the spring is out.
Are you sure the blade is OK? You can mount a 21" blade to left and right side.
Radio shows off hu -655
You must have entered bad code several times.
If the radio belongs to you, turn on for two hours and it will ask for the code again.
If the radio belongs to someone else, return it to the owner.
Fan switch
Remove the cover (I use an old CD, not a screwdriver to not scratch any surface). You'll see screws to be removed and the whole module goes out. The light bulbs are mounted from back using flat screwdriver. They are specially designed together with plastic ring and available at the dealer (they're quite expensive). But it is possible to disassemble the ring and replace only glass bulb that is available in electronic store almost free (in Poland about .25 euro).
Many people replace bulbs to LEDs. You can do it or buy needed parts in some car-tuning shop. LEDs are almost endless.
Lost code radio V40
VIN doesn't matter. You need to read the serial number from radio housing. Then go to your dealer. Sometimes you'll be happy and get the code for free. Sometimes dealers charge for this. You can also try to ask some independent specialists. Anyway: the start point is serial no. of the radio.
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