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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 P0182, P0183, P0187, P0188, P0191, P0192, P111F, P126E, P126F, P127C, P128A, P128B, U0625, U0670, U0671, or U101B >> 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 P0237, P057C, P0651, P0700, P128F, P2803, U0625, U0670, U0671, U101B P0237, P057C, P0700, P128F, P2803, U0625, U0670, U0671, U101B U0625, U0670, U0671, U101B, P0641** P0191*, P111F*, P128A*, P128B*
Signal P128F, U0625, U0670, 0671, U101B P128F, U0625, U0670, 0671, U101B P128F, U0625, U0670, 0671, U101B P0191, P111F*, P126E, P126F, P128A, P128B
Low Reference - P0118, P0238, P128F, U0625, U0670, 0671, U101B - P0191, P111F*, P126E, P126F, P128A, P128B
* This DTC sets when there is an internal component issue: B47B Fuel Rail Pressure Sensor
** Additional DTCs may set.
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