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Professional Automotive Repair Technical Discussions for September 1, 2015 International Automotive Technicians' Network (iATN) - Members Only |
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Open Help Requests for GM
| Help Request | Answers | |
| 2005 Cadillac CTS 3.6L MIL Lamp on VIN: 1G6DP56755 Hello everyone, I replaced bank 1 and bank 2 catalytic converters due to P0420 and P0430 dtc's. I used aftermarket direct fit. I re used the manifold gaskets over and new Cadillac do-nut gaskets at the outlet. I don't like using after market converters but I d... Trouble codes: P2179 (Long term fuel trim bank 2 lean) |
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| 2008 Chevrolet Silverado 1500 WT 5.3L differential, drive shaft VIN: 2GCEC13J88 Hey guys and gals, we have this 2wd truck that exhibits a loud clicking noise in the drivetrain on coast or decell down to about 30 mph. We have already disassembled and inspected the diff. and replaced all the bearings. Ring and pinion looked great. We have a... |
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| 2007 GMC Envoy Denali 5.3L battery light VIN: 1GKET63M27 Hello IATN guru's im putting up this help request just so I can close it because there is no information on this specific code and the GM trouble tree test description is very misleading. The code was a B1487 for generator l- terminal stuck low and in the trou... |
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| 2001 Oldsmobile Aurora 3.5L Shift hard VIN: 1G3GR64H91 Hard shift tips low volt intermittent code. Replaced tps. Now p1118 max long shift. Hard all shifts intermittently. Suspect sticking psi reg solenoid but no elect fault. |
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| 2006 Pontiac G6 2.4L theft light VIN: 1G2ZF55B66 Customers complaint was intermittent no start and theft light stayed on when this happened. Initial code P1682 ignition 1 switch circuit 2, and several communication codes for other modules. I could not confirm the no crank, but advised replacing ignition swit... |
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| 2008 Pontiac Torrent 3.4L MIL Lamp on VIN: 2CKDL33F08 Had vehicle come in with trac and stabilitrac lights on as well as the engine light. Found code P0404 for the EGR. checked all circiuts everything ok so we replaced the EGR valve. Ran it through the enable conditions and made sure it passed the readiness monit... Trouble codes: P0404 |
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Fixes & Summaries for GM
| Fix/Summary | Answers | |
| 2013 Cadillac ATS Luxury 2.0L Computer VIN: 1G6AB5RX5D Goodafternoon, firstly thanks for all of the valuable information that was given. Because of this I was able to repair the vehicle correctly. With the information received I took the advice and diagnosed the no communication first. What I found was I had 120oh... |
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| 1996 Chevrolet K2500 Cheyenne 6.5L Hard Start VIN: 1GCGK24F8T The vehicle was missing the resistor from when customer relocated harness for Pump Module. I think a optical sensor would have fixed some of the remaining codes but in the end it probably needed a whole pump. Trouble codes: P0251 (Injection Pump Cam System), P0370 (Timing Ref High Resolution), P1216 (Fuel Solenoid Response Time), P1218 (Injection Pump Calibration Circuit). |
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| 2003 Chevrolet Silverado 1500 5.3L service 4x4 light on VIN: 1GCEK19T23 Found that the ground from the battery to the frame was left loose after body shop repair. |
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