EI1 Star Code 48 Short In Firm Shock Actuator Relay Circuit
^ The air suspension control module has detected a short in circuit used to activate firm shock position relay. There are four possible causes of this short which are listed below:
^ 5+ power supply circuit is shorted to ground
^ Vehicle wiring harness has 5+ power supply circuit and ground return circuit in wrong location.
^ Firm shock relay is inoperative.
^ Firm shock relay is inoperative.
^ Air suspension control module is inoperative.
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