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Home >> Cadillac >> 2014 >> Escalade ESV Base, AWD >> Repair and Diagnosis >> Engine Performance >> System >> Data Communication System >> Diagnostic Information and Procedures >> DTC B137B: Accessory Power Module Wake Up Circuit >> Circuit/System Verification

Circuit/System Verification

With a scan tool, verify that DTC U182A is not set in the SDGM, and U189A is not set in the HPCM.