Powertrain: engine, transmission and driveline systems.
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Generic SAE-standard code: same meaning on every make.
40A
Specific fault index within the subsystem.
Frequently asked questions about P040A
What does P040A mean?
Exhaust Gas Recirculation Temperature Sensor "A" Circuit. The control module detected improper operation of the Exhaust Gas Recirculation Temperature Sensor "A" circuit.
Is P040A generic or manufacturer-specific?
P040A is a generic OBD-II code: it has the same meaning on every make and model that follows the SAE standard.
Can TuningBot remove P040A 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.
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