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2002
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Escalade EXT
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Repair and Diagnosis
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Engine Controls - Self-Diagnostics - 4.8L, 5.3L & 6.0L
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Diagnostic Tests
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DTC P0121: TP Sensor Performance
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Conditions For Setting DTC
Conditions For Setting DTC
The TP sensor reading is more than a predicted value when the MAP is less than 55 kPa.
The TP sensor reading is less than a predicted value when the MAP is more than 65 kPa.
The above conditions are present for 15 seconds.