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Home >> GMC >> 2014 >> Sierra 2500 HD SLT, 6.6L Eng VIN 8, RWD >> Repair and Diagnosis >> Engine Performance >> System >> Data Communication System >> Diagnostic Information and Procedures >> DTC U186A: Lost Communication With Transfer Case Control Module >> Circuit/System Verification

Circuit/System Verification

Verify that U0102 is not set.

If the DTC is set, refer to DTC U0100-U02FF (without HP2 and U029D-U029E) , DTC U0100-U02FF (with HP2) , DTC U0100-U02FF (U029D and U029E only)

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