P2038 OBD-II: Reductant Injection Air Pressure Sensor "A" Circuit
P2038 Severity
Should you fix P2038 yourself?
Identifying an OBD code is just the start of a complete diagnostic routine. Most trouble codes are caused by a sensor reporting a value that is out of range. Just replacing a sensor may not fix underlying issues. Be sure to understand the code, the part or system in your car that the code refers to, and the risks of delaying professional repair.
Proper diagnosis will save you time and money on unnecessary repairs.
Urgent codes indicate immediate action is necessary. These are urgent and significant malfunctions that can cause severe damage to the vehicle or harm the driver and passengers.
What causes OBD-II fault code P2038?
Code P2038 is set when an issue is detected with the Reductant Injection Air Pressure Sensor. This sensor is part of the Reductant (DEF) System.
Need a P2038 diagnosis? Trust our experts.
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OBD II Fault Code
- OBD II P2038
OBD-II Code Powertrain Control Module (PCM) failure is defined as a Reductant Injection Air Pressure Sensor "A" Circuit
Code P2038 is set when an issue is detected with the Reductant Injection Air Pressure Sensor. This sensor is part of the Reductant (DEF) System.
Common Problems That Trigger the P2038 Code
- Powertrain Control Module (PCM) failure
- Reductant air pressure sensor
- Wiring issue
Ask our experts about P2038.
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