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1997 Professional Chassis Raised Roof Presidential Limousine
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Discussion Starter · #1 ·
I have a C0620 code for the electronic suspension which is the right front position sensor circuit, signal invalid. At the sensor connector I’ve tested for 5V reference voltage and ground and that’s good. I jumped the 5V reference terminal to the signal circuit terminal and the scan tool shows 0 volts. All the other sensors are around 1V. So there is a break in the signal wire between the sensor and the module or the module itself is bad. Where is the module and how do I get to it?
 
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