LEMON Manuals
: Even more car manuals for everyone: 1960-2025
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Jeep
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2009
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Wrangler Sahara, Standard
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Repair and Diagnosis
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Steering
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Steering Control Systems
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Automatic Sway Bar System (ASBS) - Electrical Diagnostics
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DTC Troubleshooting
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U0121-Lost Communication With Anti-Lock Brake Module
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Possible Causes
July 1:
So it begins
. Don't worry, this is not in the correct legal jurisdiction!
Possible Causes
Possible Causes
CAN C BUS OPEN OR SHORTED CONDITION
ANTI-LOCK BRAKE MODULE (ABS) MODULE
TOTALLY INTEGRATED POWER MODULE (TIPM)
POWERTRAIN CONTROL MODULE (PCM)