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Home >> Jeep >> 2014 >> Wrangler Sahara, Standard Trans >> Repair and Diagnosis >> Accessories & Equipment >> Communication Devices >> (Totally Integrated Power Module (TIPM) - Electrical Diagnostics) >> DTC Troubleshooting >> U0121-Lost Communication With Anti-Lock Brake Module >> Possible Causes

Possible Causes

Possible Causes
(D65) CAN C BUS (+) CIRCUIT SHORTED TO VOLTAGE
(D64) CAN C BUS (-) CIRCUIT SHORTED TO GROUND
DTCS RELATED TO BATTERY VOLTAGE, IGNITION, OR VIN MESSAGES
TIPM NOT CONFIGURED CORRECTLY
ABS POWER AND GROUND
ANTI-LOCK BRAKE MODULE (ABS)
MODULE THAT SET THIS DTC