238

Possible Causes

• •Intermittent Problem
• •TIP signal circuit shorted to voltage
• •Faulty TIP sensor
• •Faulty ECM
• •Faulty ECM connector
• •Open sensor ground circuit

Suggested Actions

1. 1Perform the On-Board (OBD) System Check
2. 2Check if DST displays TIP pressure greater than defined in the diagnostic calibration with Key ON, Engine ON, and System Mode set to 'Running'
3. 3Disconnect TIP sensor from harness and check if DST displays TIP voltage < 0.100 VDC with Key ON, Engine OFF, and System Mode set to 'Stopped'
4. 4Probe sensor ground circuit with test light connected to battery voltage

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