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Tahoe SSV
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Different variant/trim
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Section 11 (Engine Controls And Fuel - 3.0L (Lm2) Diesel - Diagnostic Information And Procedures (4 Of 5))
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Diagnostic Information and Procedures
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DTC P20EE, P249D, P249E, or P2BAD
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Diagnostic Aids
Diagnostic Aids
WARNING:
This page is about a different variant/trim than selected.
Water in the Reductant tank will cause DTCs to set.
Using the Reductant Injector Device Control, a ticking sound should be heard at the reductant injector.