code 37 on 91 ram

05-05-2005, 12:17 PM
can someone tell me what could be the prob with a 37 code(fault in part trottle unlock soileniod driver circuit)? truck runs slightly rich and hesitates a little. just reworked heads and cleaned all carbon out of intake and egr.

05-05-2005, 12:24 PM
also, what is code 45. the chart i have only lists a 44 and a 46 code???

05-18-2005, 11:46 AM
anyone have any idea about this???

06-08-2005, 06:53 PM
37 is your torque converter solenoid lockup/unlock circuit open or short, and 45 is the overdrive solenoid circuit. Chect that your harnes is connected to your trany securely

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