20 Most Recent 2003 Volvo S80 - Page 2 Questions & Answers

you cant that has to be done be the dealer.plugging a used dash or any electrical part that has internal programming into your car can corrupt the vehichles software causing all sorts of stuff.also i dont know if a used part can be programmed. all the parts have the vin# stored in them.

check for alternator and starter motor functioning ok , does it turn over and not fire up or not turn over at all?

Either the unit is bad there is a loose ground or the antenna connections may be loose or corroded. Bring it to an audio repair
shop and have them check it out.

check the codes first as can be an number of things.

The main fuse near the battery terminals will be blown that feed the car

Test your oil pressure sender remove wire should be earth with engine stopped. Start car and it should be open circuit... if not Test your oil pressure manually if ok replace sender

lights burn out from excessive current flow cause from arcing from a bad earth or loose earth wire . Check that the bulbs are tight in the fitting and the spring clip retainer is tight.

either fit a new door lock or obtain a new remote or both is a better bet

check your wire harness on the top of the engine. Volvo must have bought harnesses from Mercedes. The insulation just cracks and disintegrates, then the wires short. Not good for an ignition system.Once they short It can fry the circuit for that cylinder in the computer. Does not set a code other than Misfire.

code refers to gear 3 incorrect ratio. causes ---wiring---TR sensor/switch--shift solenoids-- transmission mechanical fault. It is not possible to have the wrong ratio unless you have done something serious to the tranny. So the cpu is reading that the gear selected is wrong for the settings in the cpu. This means that the shift solenoid is not working properly and/or the TR sensor /switch is faulty. I would go for the sensor as it probably controls the solenoid as well. Use only genuine as cheaper units are not always compatible with the cpu.

Is the blower blowing air at all speeds?

remove your combine instrument,check bulb for clock,,replace if the bulb burn or failure.

take rubber mallet and hit motor three times