Buick Regal 2018-2026 Service Manual / General Information / Waterleaks
Buick Regal: Waterleaks
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Diagnostic Information and Procedures
WATERLEAK TEST PREPARATION
GM vehicles are designed to operate under normal environmental
conditions.
The design criteria for sealing materials and components takes into
consideration the seali
Repair Instructions
BODY WATERLEAK REPAIR
WARNING: If the vehicle interior is exposed to moisture and becomes
soaked up to
the level of the sensing and diagnostic module (SDM), the SDM and SDM
harness connector must be
SEE MORE:
Electric Dual Pinion Rack and Pinion Steering Gear Replacement
Removal Procedure
CAUTION: Electrostatic discharge (ESD) can damage many solid-state
electrical
components. ESD susceptible components may or may not be labeled with
the ESD symbol. Handle all electrical components carefully. Use the
following precautions in order to avoid ESD damage:
Touch a met
DTC C1207, C1208, C1221, C1222, C1225, C1226, C1232, or C1233
Diagnostic Instructions
Perform the Diagnostic System Check - Vehicle prior to using this
diagnostic procedure.
Review Strategy Based Diagnosis for an overview of the diagnostic
approach.
Diagnostic Procedure Instructions provides an overview of each
diagnostic category.
DTC Descriptors
D
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