What is trouble code U0101?

What is your question?

Feb 19, 2015

2 Replies

Popular Answer

CharlesAutomotiveon Feb 19, 2015

Most likely you are going to need a new computer. The PCM is shot.

endo27on Feb 26, 2015

POSSIBLE CAUSES CAN B or CAN C Bus circuits open or shorted DTCs related to battery voltage, ignition, or VIN messages FCM not configured correctly TCM (PCM) TCM Power and ground Module that set this DTC Diagnostic Test 1. VERIFY DTC IS ACTIVE NOTE: Ensure the IOD fuse is installed and battery voltage is between 10 and 16 volts before proceeding. With the scan tool, read active DTCs. Q: Is this DTC active? YES: Go To 2 NO: Refer to the Stored Lost Communication test procedure. Refer to the table of contents. Perform BODY VERIFICATION TEST - VER 1. See: Verification Tests\Body Verification Test 2. CHECK FOR ANY OF THE FOLLOWING ACTIVE DTCs With the scan tool, read all active DTCs from all modules. NOTE: Check for FCM configuration, CAN B or C hardware electrical, VIN Missing/Mismatch, battery or ignition related DTCs. Q: Does the scan tool display any active DTCs to the conditions listed above? YES: Diagnose and repair the DTC. Refer to the Table of Contents for a complete list of the symptoms. Perform BODY VERIFICATION TEST - VER 1. See: Verification Tests\Body Verification Test NO: Go To 3 3. VERIFY THAT THE TCM IS ACTIVE ON THE BUS Turn the ignition on. With the scan tool, select Network Diagnostics. Verify that the TCM is active on the bus. Q: Is the TCM active on the bus? YES: Go To 4 NO: for No Response diagnostic procedures. Perform BODY VERIFICATION TEST - VER 1. See: Verification Tests\Body Verification Test 4. CHECK FOR ADDITIONAL COMMUNICATION RELATED DTCs With the scan tool, select Network Diagnostics. Q: Is there more than one module with active DTCs "Logged Against" the TCM? YES: Replace/update the TCM (PCM) in accordance with the service information. Perform BODY VERIFICATION TEST - VER 1. See: Verification Tests\Body Verification Test NO: Replace/update the module that set this DTC in accordance with the service information. Perform BODY VERIFICATION TEST - VER 1. See: Verification Tests\Body Verification Test

Join the conversation!

What are the best Dodge repair shops?

RepairPal Certified shops can diagnose and repair your 2005 Dodge Durango. They provide transparent pricing with a minimum 12-month or 12,000-mile warranty on repairs and services.