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Home >> Jeep >> 2025 >> Grand Cherokee Altitude, AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 112 (Hybrid Control Processor Module (HCP) - DTCS U1009-00 To U12B3-00) >> DTC Troubleshooting >> U113B-00 Lost Communication With Switch Bank Module >> Possible Causes

Possible Causes

WARNING: This page is about a different car, the 2025 Jeep Grand Cherokee. However, it is still accessible from the selected car via links, so may be relevant.
Possible Causes
LIN BUS COMMUNICATION DTCS
E-DRIVE MODES SELECT SWITCH B+ CIRCUIT OPEN OR HIGH RESISTANCE
E-DRIVE MODES SELECT SWITCH GROUND CIRCUIT OPEN OR HIGH RESISTANCE
E-DRIVE MODES SELECT SWITCH

Always perform the PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE before proceeding. Refer to  PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE  . 

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