PACCAR MX (2004 Emissions) Fault Code: P113B Lambda Sensor Controller - Incorrect

SET CONDITIONS:
The PCI ECU (D420) detects that the lambda sensor heater controller inside the PCI ECU is malfunctioning.

DIAGNOSTIC CONDITION:
This diagnostic runs continuously when the engine is running.

RESET CONDITION:
This DTC changes to inactive when the fault is no longer detected.

ADDITIONAL INFORMATION:
The PCI ECU uses the oxygen concentration in the exhaust measured by the lambda sensor (F834) to determine the air/fuel ratio of the combustion process. The sensor has an integrated heater to maintain a sensor operating temperature of approximately 750°C [1382°F].

PACCAR MX (2004 Emissions) Fault Code: P113A Lambda Sensor Temperature - Unable to Reach Target

PACCAR MX (2004 Emissions) Fault Code: P0113 Inlet Air Temperature in Inlet Manifold - Voltage Too High or Short Circuit to Supply on ECU (D420) Pin (A43)

PACCAR MX (2004 Emissions) Fault Code: P0112 Inlet Air Temperature in Inlet Manifold - Voltage Too Low or Short Circuit to Ground on ECU (D420) Pin (A43)

PACCAR MX (2004 Emissions) Fault Code: P0110 Inlet Air Temperature in Inlet Manifold - Data Erratic, Intermittent or Incorrect, at Ignition On

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