P2544 Diagnostic Trouble Code Discussion for April 2012
Transmission Torque Request Circuit Malfunction
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| Help Request | Posted | |
| 2007 GMC Sierra 2500 HD SLT 6.0L MIL Lamp on VIN: 1GTHK29K57 P2544: Transmission Torque Request Circuit Malfunction. This is a nightmare truck. Truck will divert to transmission limp mode and gauges will flutter when problem occours. PCM, TCM, BCM, ABS all loose communication. I have not been able to duplicate the situation in the shop. Problem will happen sometimes once a w... |
April 20, 2012 |
