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Prev Professional Automotive Repair Technical Discussions for April 19, 2012
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Open Help Requests for GM
Help Request Answers
2006 Cadillac CTS 2.8L No Start VIN: 1G6DM57T96
VEHICLE CAME IN WITH A NO START CONDITION AND KEY NOT BEING ABLE TO BE REMOVED. had a u0100 loss of communication code. HAD NO COMMUNICATION WITH ECM. using tech2 pinged the modules. it looks as if all modules are present except the ecm. REPLACED ECM AND VEHIC... Trouble codes: U0100 (Loss communication to ecm)
1997 Chevrolet K1500 Cheyenne 5.7L MIL Lamp on VIN: 2GCEK19R6V
I checked the cam retard value with my scanner at +45 degrees(?).I made a few slight adjustments and could not get it below +29. I pulled the distributor and adjusted it a tooth over .I read it at + 13 degrees. I adjusted it 3 times minutely and it never chang... Trouble codes: P1345
2001 Chevrolet S10 4.3L Hesitation, Misfire, MIL Lamp on VIN: 1GCCT19W01
this is an 01 s10 4x4 we recently installed a 350 vortec engine (r) code engine was out of 99 van. Engine is new with a comp cam 08-501-8. The intake distributor injection and all are factory vortec parts. crank sensor is for a 350. computer is flashed for an ... Trouble codes: P1345
2004 Chevrolet Colorado 3.5L Air Bag Light
Keeps setting B0083. Did I miss something, is there a cause not covered in Mitchell or All Data?
2006 Chevrolet Impala LT 3.5L starter VIN: 2G1WT55K06
Hey guys, I have an Impala that is throwing code P1682 (Delayed or extended cranking DTC). What is happening is the key is put in the ignition and turned, nothing happens. All lights and such work and come on but no crank, no noise, no nothing. Sometimes it wi...
2006 Chevrolet C4500 Kodiak C4U042 6.6L No Start VIN: 1GDE4C1296
customer bought truck at auction. drove sev times and seviced. since service he says that it has a hard time starting after he drives it. cranks for a while then starts. anyway we smell fuel so we pull doghouse and see a couple turbo hold down bolts are backed... Trouble codes: P0097, P0230, P0463
2007 Chevrolet Tahoe LTZ 5.3L traction control VIN: 1GNFC13047
the engine was replaced about a month a go. after the customer took his truck he was mentioning about the traction service light being on. it will come on after driving in atleast a minute on the road. i looked up info on regards to this problem and something ...
2002 Hummer H1 6.5L Accessories VIN: 137FA84322
Need help on this h1.ignition key do not turn to off position.unable to remove key. It has shiftinterlock solenoid. Bulit in the cable.no power at the solenoid. Does have good gnd. Other red and brown wire show gnd.try to give power nothing happens.i do not ha...
2007 Pontiac G6 2.4L Column? VIN: 1G2ZG58B27
Hi guys, have never aske for help , so this is new to me. We have pontiac g6 that has a clunk noise in the steering while setting still and turning the wheel or at low speeds. Have replaces the column, tried 2 intermediate shafts and evenreplaced the rack and ...
1999 Saturn SL2 1.9L Mechanical VIN: 1G8ZJ5275X
HI I have a 99 saturn SL2 with a rubbing noise only when the steering wheel is turned all the way to the left or right stop it sound like metal on metal and is a rotating nOise, the calipers with brackets and rotors have been replaced also has new wheel bearin...
2007 Saturn Vue 2.2L trans VIN: 5GZCZ33D47
my wife thought the truck behind her hit her(i wish) just kidding at stoplight it felt like she was rearended but wasnt im a chrysler tech by trade haha know the symptom bump stop in 604(slips oh 4)well is this something any gm techs have seen in trans maybe ?...

Fixes & Summaries for GM
Fix/Summary Answers
1994 Cadillac Seville STS 4.6L heater pipes VIN: 1G6KY5291R
Thanks for all the info i went with jeff's route and it worked great thanks a bunch.
2000 Chevrolet Impala LS 3.8L No Start VIN: 2G1WH55K6Y
It would not crank again last night. Again confirmed passlock voltage, BCM power and grounds, codes and PCM theft data, crank request from ignition switch to PCM, relay control from PCM. Hit the remote start and it started. I will replace the BCM today. I will...
1997 GMC K1500 Sierra SL 5.7L No Start VIN: 2GTEK19R4V
well the coil had such a great blue spark i was sure it was deeper than that.it was a bad coil didnt have enough to make it thru the system.thanks guys .i guess no matter how long we do this stuff sometimes we overlook the obvious and try to over complicate th...
2003 Hummer H2 6.0L Ride Control VIN: 5GRGN23U73
After testing wiring from module to relay and found all wires good,I purchased and replaced a new air compressor module.As I plugged it in and cycled the key, suspension built up.Vehicle came up to level and customer decided that was good.Did not send to the d...
2005 Pontiac Grand Prix 3.8L Steering VIN: 2G2WP52235
Well some times you just have to do it yourself. I have 4 techs. 3 had the opportunity to fix the problem and failed. My lead tech finally got involved and found a pin hole leak in the return line tube. End of story. What a joke.
2007 Saturn Ion-2 2.2L Electric Steering Assist VIN: 1G8AJ55F47
First Thanks to everyone that took time to reply, I forgot to mention that the customer had brought the recall with them, I also called the 800 number and for some reason it was not being honered any more. It did turn out to be the motor, I got so dependent to...
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