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Home >> Jeep >> 2023 >> Grand Cherokee Altitude, AWD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 34 (Hybrid Control Processor Module (HCP) - DTCS U0140-00 To U1129-00) >> DTC Troubleshooting >> U1009-00 Lin 2 Bus >> Possible Causes

Possible Causes

WARNING: This page is about a different variant/trim than selected.
Possible Causes
PIM LIN BUS 1(B) CIRCUIT OPEN
PIM LIN BUS 1(B) CIRCUIT SHORTED TO GROUND
ANY MODULE ON THE PIM LIN BUS 1(B) CIRCUIT
POWER INVERTER MODULE (PIM)

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