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Home >> Chevrolet >> 2024 >> Tahoe Commercial, 4WD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 11 (Engine Controls And Fuel - 3.0L (Lm2) Diesel - Diagnostic Information And Procedures (4 Of 5)) >> Diagnostic Information and Procedures >> DTC P138C or P138F >> DTC Descriptor

DTC Descriptor

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DTC P138C

Warm Catalyst Heating Combustion Mode Performance

DTC P138F

Cold Start Catalyst Heating Combustion Mode Performance

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