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Home >> Chevrolet >> 2021 >> Trailblazer RS, 4WD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 9 (Engine Controls And Fuel - 1.0L (L4B L4F L4G LIJ) Or 1.2L (L4H L4K LIF LIH) - Diagnostic Information And Procedures (1 Of 2)) >> Diagnostic Information and Procedures >> DTC P0137, P0138, P013A, P013B, P013E, P013F, P2270, or P2271 >> Conditions for Setting the DTC

Conditions for Setting the DTC

WARNING: This page is about a different variant/trim than selected.

P0137 

HO2S 2 = Less than 40 mV - For greater than 50 s

P0138 

HO2S 2 = Greater than 1, 050 mV - For greater than 15 s

P013A, P013B, P013E, P013F, P2270, P2271 

HO2S 2 = Not within a calibrated range

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