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Home >> GMC >> 2018 >> Acadia Denali, FWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 325 (HVAC System - Automatic) >> Diagnostic Information and Procedures >> DTC B269A, B269C, or B269D: Heater Coolant Pump Control >> DTC Descriptor

DTC Descriptor

WARNING: This page is about a different car, the 2017 GMC Acadia. However, it is still accessible from the selected car via links, so may be relevant.
DTC B269A

Heater Coolant Pump Control Circuit

DTC B269C

Heater Coolant Pump Control Circuit Low Voltage

DTC B269D

Heater Coolant Pump Control Circuit High Voltage

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