Top 20 1999 Chevrolet Cavalier Questions & Answers

Question edited for spelling and into written English. Question moved to category. Jeff is our professional electronics technician and has your answer. Jeff Armer Jun 10, 2022 Keep getting 0601 ??? P0601 . DTC P0601 Control Module Read Only Memory (ROM) This has nothing to do with grounds ,You don't need a PCM diagram . You need a professional technician . Conditions for Setting the DTC The PCM detects more than 3 incorrect checksums. Turn OFF the ignition switch. Replace the PCM. Refer to the PCM Replacement . Is the action complete?

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Need to visit the Chevy dealer with those numbers. They will call Chevrolet with your six digit code and tell you what number to enter into the radio to unlock it. Usually a four digit number.

The best solution you'll get from books at www.reliable-store.com These are books containing info on repair, service, troubleshooting, parts info, assembling dissemble, removal, error/fault codes, wiring diagra ms and everything on any vehicle- cars, atv, trucks. forklifts, boats, excavators etc.

You have a bad ground to the wiper motor its a body ground IE. a bolt or ground strap to the fire wall clean and reconnect

Check your vacuum lines for leaks. Symptoms suggest vacuum leak.

i would replace the sensor the problem may return depending on ambient air temps

check the speed sensor if its bad it may not no how fast the car is going !!

check fuel pressure if ok check spark if ok than you need to check compression three things needed for an engine to work fuel pressure, good spark and good compression in the cylinders

the bolt holes are bent, but a socket on bottom side of bolt hole and tap it down check all hole

I would suggest two things. First check to be sure fuel pump relay is staying on after starting. If vehicle has a security system, make sure it is not activated.

need to find out why anti theft on --usually either worn key or worn ignition cylinder all the tricks in the world wont start vehicle thats why iits called anti theft

Not true call the dealership and speak to the service department and tell them what you did and the service tech will tell you how to reset the system. Most GM tech are very helpful. good luck

You need to make sure the solenoid wire isn't making contact with the starter wire. Be sure you don't have the purple wire making contact with the red wire.

Hi, if you have a leak in your system somewhere, I would suggest having a mechanic look at to find out where the leak is, unless you are able to do the repairs yourself. If there are no leaks found your thermostat is more than likely sticking. This will cause your motor to overheat and would need to be changed. Hope this helps.

Here is a link to the wiring diagrams for most vehicles http://bbbind.com/free_tsb.html

Why not have a good USED transmission installed?

It is internal of PCM - powertrain control module . Engine computer ! Powertrain Control Module (PCM) At the right front corner behind the fascia look up under front of vehicle , right front fender

check for water in the radiator at the cap indicates that it is over heating

Two wires , heavy gage red one .this is B+ voltage . Small one purple . http://bbbind.com/free_tsb.html free wiring diagrams !