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DTC B1168:
Gauge Control Module Lost Communication with ECM/PCM (Engine Messages)
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Clear the DTCs with the HDS.
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Turn the ignition switch to LOCK (0), and then back to ON (II).
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Wait for 6 seconds or more.
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Check for DTCs with the HDS.
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YES
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NO
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Intermittent failure, the system is OK at this time. Check for loose or poor connections.■
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YES
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Go to the indicated DTCs, then recheck.
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NO
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Turn the ignition switch to LOCK (0).
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Disconnect the gauge control module 32P connector.
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Jump the SCS with the HDS.
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Disconnect the ECM/PCM connector A (49P).
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Connect the gauge control module 32P connector No. 29 and No. 30 terminals and body ground with jumper wires.
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