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Home >> Dodge and Ram >> 2012 >> Caliber SXT Plus, Standard Trans >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 3 ((Transmission Control Module (TCM) - Electrical Diagnostics)) >> DTC Troubleshooting >> U1146-Lost Communication With External Memory >> Possible Causes
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Possible Causes

WARNING: This page is about a different variant/trim than selected.
Possible Causes 
(T327) DATA IN/OUT SELECT CIRCUIT SHORT TO VOLTAGE
(T313) CHIP SELECT CIRCUIT SHORT TO VOLTAGE
(T302) CLOCK SELECT CIRCUIT SHORT TO VOLTAGE
(T327) DATA IN/OUT SELECT CIRCUIT OPEN
(T313) CHIP SELECT CIRCUIT OPEN
(T302) CLOCK SELECT CIRCUIT OPEN
(T302) CLOCK SELECT CIRCUIT SHORT TO GROUND
(T313) CHIP SELECT CIRCUIT SHORT TO GROUND
(T327) DATA IN/OUT SELECT CIRCUIT SHORT TO GROUND
INTERNAL TRANSMISSION
TRANSMISSION CONTROL MODULE

Always perform the CVT Pre-Diagnostic Troubleshooting procedure before proceeding. Refer to  STANDARD PROCEDURE  .