DTC U0101:
F-CAN Malfunction (ECM-TCM)
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Turn the ignition switch to ON (II).
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Clear the DTC with the HDS.
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Check for Temporary DTCs or DTCs in the DTCs MENU with the HDS.
YES
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NO
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Intermittent failure, the system is OK at this time. Check for poor connections or loose terminals at the gauge control module, the TCM, and the ECM.■
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Turn the ignition switch to LOCK (0).
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Check the No. 60 AMT (40 A) fuse in the under-dash fuse/relay box.
YES
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NO
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Repair short in the wire between the No. 60 AMT +B (40 A) fuse and the TCM. Also replace the No. 60 AMT +B (40 A) fuse, then go to
Step 19
.
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Check for poor connections at TCM connector A (37P).
YES
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NO
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Repair the poor connections or loose terminals at TCM connector A (37P), then go to
Step 19
.
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Turn the ignition switch to ON (II).
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Measure the voltage between TCM connector A (37P) terminal No. 28 and body ground.
Is there battery voltage?
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YES
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NO
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Repair open in the wire between the No. 60 AMT (40 A) fuse and the TCM, then go to
Step 19
.
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Turn the ignition switch to LOCK (0).
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