Ambient/battery temperature sensor - high input
Chrysler · battery
Data confidence62%
The control module detected that the Ambient/battery temperature signal stayed above the expected range. This is the manufacturer-specific definition used by Chrysler.
Ambient/battery temperature sensor - voltage high
Dodge · battery
Data confidence80%
The control module detected that the Ambient/battery temperature voltage stayed above the expected range. This is the manufacturer-specific definition used by Dodge.
Ambient/battery temperature sensor - voltage high
Jeep · battery
Data confidence80%
The control module detected that the Ambient/battery temperature voltage stayed above the expected range. This is the manufacturer-specific definition used by Jeep.
Battery Temperature Sensor Voltage Too high
Mitsubishi · battery
Data confidence80%
The control module detected that the Battery Temperature Sensor Voltage value was above the expected limit. This is the manufacturer-specific definition used by Mitsubishi.
Exhaust gas recirculation (EGR) solenoid valve - signal 1 - voltage low
Subaru · emissions
Data confidence62%
The control module detected that the Exhaust gas recirculation (EGR) solenoid valve - signal 1 voltage stayed below the expected range. This is the manufacturer-specific definition used by Subaru.
Powertrain: engine, transmission and driveline systems.
1
Manufacturer-defined range: the meaning can differ between brands.
492
Specific fault index within the subsystem.
Frequently asked questions about P1492
What does P1492 mean?
Diagnostic Trouble Code (5 interpretations). The control module detected that the Ambient/battery temperature signal stayed above the expected range. This is the manufacturer-specific definition used by Chrysler.
Is P1492 generic or manufacturer-specific?
P1492 is a manufacturer-specific code. In this database it is documented for: Chrysler, Dodge, Jeep, Mitsubishi, Subaru. The same number can mean something different on other brands.
Can TuningBot remove P1492 at file level?
If the fault logic lives in the ECU calibration, yes: our DTC Removal file service disables the specific fault entry and, where the ECU needs it, corrects the checksum too. Not sure whether your case qualifies? Request a free assessment and our engineers will check your ECU file.