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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 15 (Engine Control System - 4.8L, 5.3L & 6.0L (DTC P0140 Or P0160 To DTC P0449))
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Diagnostic Information and Procedures
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DTC P0141 or P0161 (With 5.3L)
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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 3.125 amps or less than 0.25 amps.
The above condition is met for 10 seconds.