The P248A automobile fault code indicates a problem with the Reductant Line Heater system.
This can cause the engine light to turn on, indicating a need for service. The cause of this issue could be a faulty Reductant Line Heater, an open or shorted harness, poor electrical connection, or a faulty Reductant Pump and Sensor Assembly.
The repair for this issue involves visually inspecting the wiring harness and connectors for damage and checking for broken or corroded pins. The importance of fixing this issue lies in ensuring the proper functioning of the Reductant Line Heater system. The repair time for this issue is estimated at 1.0, and it is crucial to interpret the fault code correctly to address the problem effectively.
Repair Importance Level | 10.0 (Out of 10) |
Estimated Repair Time | Approximately 1.0 hour |
Repair Difficulty Level | 10.0 (Out of 10) |
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P248A: Uncovering The Symptoms Of This Auto Fault Code
If you notice the Engine Light ON or Service Engine Soon Warning Light, it could be a sign of p248a fault code. Here are the symptoms to look out for:
- The P248A fault code in automobiles can cause the following symptoms: Engine Light ON, Service Engine Soon Warning Light, decreased engine performance, engine overheating, reduced fuel efficiency, and engine stalling.
- It can also cause the cooling fan to run continuously, even when the engine is cold, and the air conditioning to stop working.
- If you experience any of these symptoms, it is important to have your vehicle diagnosed and repaired by a qualified mechanic as soon as possible to prevent further damage.
P248A: Uncovering The Culprits Behind The Fault Code
The automobile fault code p248a can be caused by a range of issues, including faulty components and poor electrical connections.
- The automobile fault code P248A can be caused by a faulty reductant line heater, an open or shorted reductant line heater harness, a poor electrical connection in the reductant line heater circuit, a faulty reductant pump and sensor assembly, and a faulty reductant control module.
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Fix Code P248A: Simple Steps To Get Your Car Running
To fix the p248a automobile fault code, check the possible causes and inspect related components for damage or corrosion.
- To fix the automobile fault code p248a, you need to check the possible causes listed above.
- Visually inspect the related wiring harness and connectors.
- Look for damaged components and broken, bent, pushed out, or corroded connector’s pins.
- Ensure that everything is in good condition.
- The estimated repair time for this fix is 1.0 hour.
P248A: Affordable Fix For Your Car’s Fault Code
The automobile fault code P248A can be diagnosed and fixed within an estimated repair time of 1.0 hour.
The cost of repair is influenced by the repair time, which is commonly charged between $75 and $150 per hour by most auto repair shops. Therefore, the total cost of diagnosis and fixing the P248A fault code will depend on the hourly rate charged by the repair shop and the estimated repair time required to fix the issue.
P248A: Your Car’s Cooling System Needs Attention
The P248A fault code is related to the reductant heater in an automobile. Reductant can freeze at temperatures below -11°C (12°F), so there are two heaters in the reductant tank. The Engine Control Module (ECM) monitors the reductant temperature and activates a defrost strategy if it determines that the reductant may be frozen.
The P248A code is set when there is greater than a 3 V difference between battery voltage and reductant tank heater voltage.
FAQ
If you see the engine light on or the service engine soon warning light, it could be due to the P248A fault code. This code is usually caused by a faulty reductant line heater, an open or shorted reductant line heater harness, a poor electrical connection in the reductant line heater circuit, a faulty reductant pump and sensor assembly, or a faulty reductant control module. To fix this issue, you should check the possible causes listed above and visually inspect the related wiring harness and connectors. Look for damaged components and check for broken, bent, pushed out, or corroded connector’s pins.
If you’re experiencing the P248A fault code in your automobile, which is indicated by the engine light being on, it could be due to a faulty Reductant Line Heater, Reductant Line Heater harness being open or shorted, poor electrical connection in the Reductant Line Heater circuit, a faulty Reductant Pump and Sensor Assembly, or a faulty Reductant Control Module. To fix this issue, you should visually inspect the related wiring harness and connectors, check for damaged components, and look for broken, bent, pushed out, or corroded connector’s pins.
If you’re experiencing the P248A fault code, indicated by the engine light or service engine soon warning light turning on, you should visually inspect the related wiring harness and connectors to identify the cause. Check for damaged components and look for broken, bent, pushed out, or corroded connector’s pins. Additionally, check the possible causes listed above, including a faulty reductant line heater, open or shorted harness, poor electrical connection, faulty reductant pump and sensor assembly, or faulty reductant control module.

Wrap Up
If you see the Engine Light ON or Service Engine Soon Warning Light, it could be due to a faulty Reductant Line Heater, harness, or circuit. Check for damaged components and inspect the wiring harness and connectors for any issues.
Also, consider checking the Reductant Pump and Sensor Assembly and the Reductant Control Module.