U1000 Diagnostic Trouble Code Discussion for June 2015
Class 2 Communication Malfunction
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| Help Request | Posted | |
| 2007 Infiniti G35 3.5L No Start VIN: JNKBV61E57 U1000: CAN Communication Circuit. This car came in from another shop after they were unable to relearn the idle. We too were unable to relearn the idle. Suddenly, the car died. Now it won't crank. I get those 3 codes on my MaxiDAS DS708. I'm leaning toward a bad ECM for one specific reason. No... |
June 04, 2015 | |
| 2004 Cadillac CTS 3.6L power loss intermitt VIN: 1G6DM57774 U1000: class 2 comm. This car experiences intermittent power loss while driving. All codes are history and they do not reset with symptom occurence. I notice while driving and problem present the TP indicated angle drops to 20-30% even though APP shows 100% and pedal is floored. T... |
June 09, 2015 | |
| 2008 GMC Envoy Denali 5.3L No communication VIN: 1GKET63M08 U1000: No communication. No communication with ebcm after attempting to re flash the module. In addition we don't have communication with ebcm and tcm. Car does run I did notice that tcm/ebcm use high speed Lan communication as well as class 2 communication not sure how it communicate... |
June 09, 2015 | |
| 2003 Saturn Ion-2 2.2L Poor Idle Quality, Stall VIN: 1G8AJ52F93 U1000: Class 2 Data Link Malfunction - ID Not Learned. ... few seconds it seems to run fine. The upstream 02 will just sit at 1107mv. Then the idle will drop down and sound as if it was missing. When its missing then 02 will start to fluctuate . It will finally after about 10 - 20 seconds of this bring the idle up... |
June 22, 2015 | |
| 2003 Saturn Ion-2 2.2L Poor Idle Quality, Stall VIN: 1G8AJ52F93 U1000: Class 2 Data Link Malfunction - ID Not Learned. ... few seconds it seems to run fine. The upstream 02 will just sit at 1107mv. Then the idle will drop down and sound as if it was missing. When its missing then 02 will start to fluctuate . It will finally after about 10 - 20 seconds of this bring the idle up... |
June 24, 2015 | |
| 2003 Chevrolet Trailblazer North Face 4.2L MIL Lamp on, no acceleration VIN: 1GNDT13S43 U1000: class 2. ... 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 on engine off. With key off the ... |
June 29, 2015 |
