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Home >> GMC >> 2021 >> Terrain SLT, 4WD >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Entertainment Systems >> Cellular, Entertainment, And Navigation System >> Diagnostic Information and Procedures >> Speaker Malfunction (IOR) >> Diagnostic Fault Information

Diagnostic Fault Information

Circuit Short to Ground Open/High Resistance Short to Voltage Signal Performance
Signal - P19 Speaker - Left Front B1025 02, 1 B1025 04, 1 B1025 01, 1, 2 -
Signal - P19 Speaker - Right Front B1035 02, 1 B1035 04, 1 B1035 01, 1, 2 -
Signal - P19 Speaker - Left Rear B1045 02, 1 B1045 04, 1 B1045 01, 1, 2 -
Signal - P19 Speaker - Right Rear B1055 02, 1 B1055 04, 1 B1055 01, 1, 2 -
  1. P19 Speaker - Inoperative
  2. P19 Speaker - Poor Quality