B1A27 JEEP – SKREEM Programming Performance

B1A27 JEEP Possible Symptoms

Engine Light ON (or Service Engine Soon Warning Light)

B1A27 JEEP Possible Causes

Faulty Wireless Control Module (WCM),Wireless Control Module (WCM) harness is open or shorted,Wireless Control Module (WCM) circuit poor electrical connection,Faulty Sentry Key Remote Entry Module (SKREEM)

B1A27 JEEP Description

The Diagnostic Trouble Code (DTC) is set when a key is inserted in the ignition switch and is turned to the Run/Start position, the Wireless Control Module (WCM) performs a self-test and re-synchronization routine. During this routine, the WCM interrogates the key, performing various validity and performance tests.