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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 P0121-P0123, P0222, P0223, P2135, U0606, or U0607 >> Diagnostic Fault Information

Diagnostic Fault Information

WARNING: This page is about a different variant/trim than selected.
Circuit Short to Ground Open/High Resistance Short to Voltage Signal Performance
5 V Reference P06A3 U0606, U0607 P06A3 P0121, P2135*
Signal U0606, U0607 U0606, U0607 U0606, U0607 P0121, P2135*
Low Reference - U0606, U0607 - P0121, P2135*
* This DTC sets when there is an internal component issue: Q38 Throttle Body
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