Question about 1997 Dodge Dakota
Scanner will not communicate with computer . Check engine light does not come on . No ground to ASD relay from computer . Replaced cam
sensor .Has 5 volts to cam sensor . Unplug transmission solenoid . Has Batt power to A22 on computer black connector
Has ignition power to A2 on computer black connector
Try checking all the ground circuits comming out of the PCM. and its also not common for a ground driver in the PCM to fail on dodges. also i have seen crankshaft sensors short out and take out pcm communication. so i would start by unplugging any sensor that runs off the 5v supply until the pcm wil talk to the scanner. if you unplug a sensor and communication returns to scanner then replace the sensor. and dont forget to check for good power and ground at the data link conector and PCM
Posted on Jan 15, 2009
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Posted on Jan 02, 2017
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