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2004
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Avalanche 2500
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Repair and Diagnosis
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External Pages
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Different variant/trim
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Section 14 (Engine Control System - 4.8L, 5.3L & 6.0L (DTC P0068 To DTC P0140 Or P0160))
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Diagnostic Information and Procedures
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DTC P0135 or P0155 (With 4.8L)
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Conditions for Setting the DTC
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Heater Current Test
Heater Current Test
WARNING:
This page is about a different variant/trim than selected.
The PCM detects that the affected HO2S Heater current parameter is more than 1.375 amps or less than 0.25 amps.
The above condition is met for 10 seconds.