FIAT FIAT DTC C0040-64

Home FIATC0040 64 FIAT FIAT DTC C0040 64 Make: FIAT Code: C0040 64 Definition: Oxygen (A/F) Sensor Pumping Current Circuit / Open (Bank 1 Sensor 1) Description: Monitor runs whenever following DTCs are not present: P0016, P0018 (VVT system bank 1, 2 - misalignment) P0017, P0019 (Exhaust VVT system bank 1, 2 - misalignment) P0031, P0032, P0051, P0052 (A/F sensor heater) P0102, P0103 (MAF meter) P0110, P0112, P0113 (IAT sensor) P0115, P0117, P0118 (ECT sensor) P0120, P0121, P0122, P0123, P0220, P0222, P0223, P2135 (TP sensor) P0125 (Insufficient ECT for closed loop) P0128 (Thermostat) P0171, P0172, P0174, P0175 (Fuel system) P0301, P0302, P0303, P0304, P0305, P0306 (Misfire) P0335 (CKP sensor) P0340 (CMP sensor) P0451, P0452, P0452 (EVAP system) P0500 (Vehicle speed sensor) P0505 (Idle speed control) Open circuit between AF+ and AF-: Estimated sensor temperature: 842-1022°F (450-550°C) Cause:
  • Open or short in A/F sensor (bank 1 sensor 1) circuit
  • Air fuel ratio sensor (bank 1 sensor 1)
  • ECM
Failure Type: Signal Plausibility FailureThis sub type is used for failures where the control module detects a single input parameter for plausibility.

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