LEMON Manuals: Even more car manuals for everyone
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 >> U1009-00 Lin 2 Bus >> 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
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  .