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Professional Automotive Repair Technical Discussions for June 29, 2015 International Automotive Technicians' Network (iATN) - Members Only |
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Open Help Requests for GM
| Help Request | Answers | |
| 2003 Chevrolet Trailblazer North Face 4.2L MIL Lamp on, no acceleration VIN: 1GNDT13S43 Will not accelerate at all. On data stream no movment from app sensor. Also on data see intake temp sensor shows -40. Tested wires to it and got 5 volts both sides. Tested all fuses under hood. On pin 2 of dlc and ground I got .2-.8 volts up and down with key ... Trouble codes: U1000, P0113, P0530, P0463, P1275, P1280 |
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| 2005 Chevrolet Colorado Z85 3.5L transfer-case VIN: 1GCDT19625 No 4 wheel drive, Need some good tests for truck with manual trans. |
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| 2005 Chevrolet SSR 6.0L coolant reservoir VIN: 1GCES14H05 vehicle has come back twice since first repair with coolant reservoirs leaking at seams been on various ssr forums apparently this is a common problem. This is the 4th tank that has been installed. |
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| 2006 Chevrolet Cobalt LT 2.2L MIL Lamp on VIN: 1G1AL55F66 Hi all in IATN land. I need some help with this one. I haven't been able to program this AC Delco TCM. It makes it to 80% and fails. I get an error code on the Tech 2.Line 2 error 35 and line 0 error 00. I thought it was a bus problem but I can talk to the PCM... Trouble codes: U0101 (PCM Lost com with TCM), U2105 (EBCM lost com with PCM), U2106 (EBCM lost com with TCM), U2106 (EBCM lost com with TCM) |
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| 2001 Pontiac Grand Am GT 3.4L bcm programming VIN: 1G2NW12E21 Hi Guys and Gals, This Pontiac was towed in as a no start and found that the bcm was bad. I got a used bcm which matched the numbers of the original ([...], Installed it and relearned the passkey and it starts and runs but with air bag light and radio locko... |
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Fixes & Summaries for GM
| Fix/Summary | Answers | |
| 1995 Chevrolet K1500 Silverado 5.7L 2-3 shift Gonna call this one fixed, ended up cleaning the valve body again. lots of attention to the sticking 2-3 valve. Customer has had truck for 3 weeks now and all is good. |
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| 1997 Chevrolet K2500 Suburban LS 5.7L Cuts out, Misfire VIN: 3GNGK26R4V I'm 50/50 on this repair. I got the truck running great. I ended up rotation engine to top dead center on compression stroke and set the distributor back. With the new distributor cap and rotor the truck ran great. I could still only set Cam retard to 3 de... Trouble codes: P0140 (Low O2S Activity B1S2), P0141 (O2 Heater Circuit B1S2), P0717 (No / low Input / Turbine Speed Sensor), P0730 (Incorrect Gear Ratio), P0751 (Shift Solenoid A Stuck Off), P0753. |
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| 2006 Chevrolet Impala LT 3.9L bcm VIN: 2G1WS551X6 Thanks to all the folks for the help. Gary was right on. this model would not let you do personalized settings. I had to use tech 2 to resolve this issue. thanks again to the many people who responded. |
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| 1995 Pontiac Bonneville SE 3.8L system pressures VIN: 1G2HZ52K4S Problem ended up being a dirty evaporator core. We double checked for any temp drops on the high side again-none found. Ended up pulling the evap out and the perimeter of it was very dirty. Apparently dirty enough that it wasn't picking up enough heat from t... |
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