LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Jeep >> 2017 >> Renegade Trailhawk >> Repair and Diagnosis (Single Page) >> Transmission >> Automatic Trans >> 948TE Automatic Transmission Electronic Shift Module (ESM) - Electrical Diagnostics >> DTC Troubleshooting >> U0001-00-Automatic Gearbox Shifter Module (AGSM) Can Communication Bus (Bus Off) >> Possible Causes
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Possible Causes

Possible Causes
CAN C CIRCUIT SHORTED TO GROUND
CAN C CIRCUIT SHORTED TO VOLTAGE
ANY MODULE ON THE CAN C BUS

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

GC0169034Courtesy of CHRYSLER GROUP, LLC
NORMAL CAN CIRCUIT VOLTAGE TABLE

CIRCUIT NORMAL VOLTAGE VALUES
CAN C1 (+) 1.5 - 2.5 volts
CAN C1 (+) 2.5 - 3.5 volts
Difference Between CAN C1 (+) and CAN C1 (-) 0.5 volt