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Prev Professional Automotive Repair Technical Discussions for January 27, 2012
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Open Help Requests for GM
Help Request Answers
1997 Buick LeSabre Limited 3.8L MIL Lamp on VIN: 1G4HR52K9V
Hello fellow Iatn members. I have this Buick that keeps popping up a 1406 code. While viewing live data, I see the valve position at idle is at 2% while desired is 0%. I have verified that there is no restriction on the intake side of the valve and no back pre... Trouble codes: P1406 (EGR Pintle Position Circuit Problem)
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1988 Chevrolet K2500 Cheyenne 5.7L Instrument Panel VIN: 2GCFK24K2J
Good luck everyone! i have a 1988 chevrolet 2500. The guages fuse (20a) keeps blowing. Heres what happens. When sitting in the shop running or koeo and a good fuse or fuse buddy in it olnly pulls .5a and i turn the steering wheel wiggle all wires etc. When i d...
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2003 Chevrolet Trailblazer North Face 4.2L MIL Lamp on VIN: 1GNDT13S93
This vehicle came in with a check engine light on with no real symptoms. Codes P0014 and P1345 were in memory. Clear them and drive it and they come right back. We found the actuator solenoid connector had oil in it so we replaced that and changed the engin oi... Trouble codes: P0014 (p1345-), P1345
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2005 Chevrolet Silverado 1500 HD LS 6.0L Encoder Motor VIN: 1GCGK13U35
Hi every one. The vehicle came to us with Service 4WD message and code C0327-Encoder Motor circuit. Customer has had 6 motors replaced without fixing problem.(go figure) We rebuilt this NVG246 transfer case because the shift shaft had excessive play in it. All...
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2006 Chevrolet Silverado 3500 LS 6.6L left signal VIN: 1GBJK39D86
This truck is eating my lunch!When the truck came in the left front turn signal socket and daytime running light sockets were missing.They apparently got snagged in the owners pasture.I replaced the sockets and moved on to the trailer because some of the light...
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2003 GMC Yukon Denali XL 6.0L Suspension VIN: 1GKFK66U13
Hello everyone my Customer came in with his 2003 Yukon. the "service ride control light is on. after scanning it with the tech2. has code c0660 exhaust valve circuit malfunction. I found the rear shock leaking and air compressor will not run. This job is very ...
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1998 Oldsmobile Bravada 4.3L Frt Differential VIN: 1GHDT13W1W
This is the vehicle that my wife drives. She was on her way to work one morning when she called me at home and said I needed to take her on to work. I'll make this shorter. When I went back to the vehicle and tried to move it it chattered and shook the hole fr...
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Fixes & Summaries for GM
Fix/Summary Answers
2003 Cadillac CTS 3.2L Timing Belt VIN: 1G6DM57N03
I got'er done. Thanks for the feedback. The replies were split 50/50 regarding the special tools. I will readily agree that it would have been easier and faster with them, but this can be done by using patience and having a basic understanding of how things wo...
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2004 Chevrolet Silverado 2500 6.0L Clock VIN: 1GCHK29U44
MOst replies were that clock setting was saved in the radio and also seen that the battery power feed to the radio also was thepower feed to the ALDL connector , so there was really no way the remote start was causing the problem , cause a remote start is just...
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2004 Chevrolet Trailblazer EXT LS 4.2L Instrument panel cluster VIN: 1GNES16S84
Thanks for all the help guys. I did end up putting a meter on the pink wire at the cluster which i think was the ign wire and the voltage was fine when the cluster was actng up. Installed new cluster and everthing seems fine so far. Did have to send vehicle to...
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2006 Chevrolet Silverado 2500 HD LT 6.0L Abs Mod. Ses Light VIN: 1GCHK23266
Victory is mine!! I got this one in the bag. The original ecm was bad after all. I recieved the correct ecm with the right flash in it and my problem went away. The only thing I can figure is that the replacement ecm being programmed for an automatic was looki...
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2007 Chevrolet Suburban 1500 Z71 5.3L fueling vehicle VIN: 3GNFK16337
WELL ITS FIXED. CRAIG IN ILLINOIS SUGGESTED USING BULLETIN 09-06-04-028C. AFTER READING FOUND VENT VALVE WAS FULL OF WATER AND CANISTER FULL OF GAS. GM MAKES A UPDATED VENT VALVE. CHANGED OUT THE VENT VALVE AND DRAINED CANISTER . PUMPED 15.00 IN GAS WITH NO IS...
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2007 Chevrolet Cobalt LS 2.2L No Start VIN: 1G1AK15F47
This vehicle is 25 miles from my base of operation. Since my computer flashing business takes me around San Diego this isn't a great concern. When I'm in the area I stop by to try what I have learned. Timothy from Wisconsin had a great idea that I haven't trie... Trouble codes: U1016 (Lost communication with pcm/TCM).
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2011 Chevrolet Corvette Grand Sport 6.2L convertible top VIN: 1G1YW3DW4B
In fact my generic scanner Launch X431 is able to connect to soft top module. Fortunately. Watching the live data for the seven top mechanism microswitches it was possible to see that the "top closed" limit switch was always in the "active" mode. Switch wa...
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2006 GMC C4500 Topkick C4E042 6.6L abs? VIN: 1GDE4E3266
Yes i finally fixed it, thanks to both of yall who replied. the motor under the hydromax was not getting power due to the relay having burnt contacts. THANK YOU GUYS!!
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2007 GMC Sierra 2500 HD Classic SL 6.6L defaults to neutral
I can't add another update to this post, so I'm going to give a summary of what we have done and where we are now and update the the post when we have a verified fix. We decided to replace the TCM since we couldn't get it to act up after a tap test. The new T...
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1999 Saturn SC2 1.9L Misfire VIN: 1G8ZR1270X
i repaired a burnt/melted wire from pcm and crank variation relearn. Trouble codes: P0300.
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2007 Saturn Ion-2 2.2L No Start VIN: 1G8AJ55F67
Vehicle repaired. Once everyone pointed me in the correct direction, Diagnosis was easy. The code was P0496. Solenoid was stuck open allowing fumes into the Engine during refueling. The solenoid was on back order, but supplier found one. Evidently the back ord...
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