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Impala LTZ
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Engine Control System - 3.9L - DTC P0442 To DTC P2A01
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DTC P2A01
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Typical Scan Tool Data
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Typical Scan Tool Data
DTC P2A01
HO2S Sensor Voltage Circuits
Normal Range
Short to Ground
Open
Short to Voltage
HO2S High Signal
50-850 mV
0-45 mV
Approximately 412 mV
Approximately 1106 mV
HO2S Low Signal
50-850 mV
50-850 mV
400-600 mV
50-850 mV