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Home >> Chevrolet >> 2001 >> Venture Base, Van Passenger >> Repair and Diagnosis >> External Pages >> Different car >> Section 269 (Engine Controls - Self-Diagnostics) >> Diagnostic Tests >> DTC P0134 & P0154: Ho2S Bank 1 & 2, Sensor 1 Circuit - Insufficient Activity >> Test Description

Test Description

WARNING: This page is about a different car, the 2003 Cadillac Seville and 2003 Cadillac DeVille. However, it is still accessible from the selected car via links, so may be relevant.

The number below refer to the step number in the diagnostic procedures.

  1. 6

    When the affected high signal circuit is shorted to the heater low control circuit, the short to ground will change to a short to voltage with the key on, and the engine off.
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