Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSNISSAN-DATSUN2009XTERRA SE, 4WDREPAIR AND DIAGNOSISENGINE PERFORMANCESYSTEMENGINE CONTROL SYSTEM - DTCS U0101 TO P0175
2009 Nissan-Datsun Xterra SE, 4WD
Engine Control System - DTCS U0101 To P0175
2009 Nissan-Datsun Xterra SE, 4WDSECTION Engine Control System - DTCS U0101 To P0175
- U0101 Can Comm Circuit
- U1001 Can Comm Circuit
- P0011, P0021 IVT Control
- P0031, P0032, P0051, P0052 A/F Sensor 1 Heater
- P0037, P0038, P0057, P0058 Ho2S2 Heater
- P0075, P0081 IVT Control Solenoid Valve
- P0101 MAF Sensor
- P0102, P0103 MAF Sensor
- P0112, P0113 IAT Sensor
- P0116 ECT Sensor
- P0117, P0118 ECT Sensor
- P0122, P0123 TP Sensor
- P0125 ECT Sensor
- P0127 IAT Sensor
- P0128 Thermostat Function
- P0130, P0150 A/F Sensor 1
- P0131, P0151 A/F Sensor 1
- P0132, P0152 A/F Sensor 1
- P0133, P0153 A/F Sensor 1
- P0137, P0157 Ho2S2
- P0138, P0158 Ho2S2
- P0139, P0159 Ho2S2
- P0171, P0174 Fuel Injection System Function
- P0172, P0175 Fuel Injection System Function
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.