P2ADC Code - Reductant Tank Temperature Sensor 2 Circuit High Voltage
Quick Answer
The Reductant Quality Sensor includes an integrated temperature sensor to measure reductant fluid temperature. Common causes include Faulty Reductant Quality Sensor, Reductant Quality Sensor harness is open or shorted, Reductant Quality Sensor circuit poor electrical connection. Severity is High - diagnose this code as soon as possible. Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.
- What it means
- P2ADC indicates Reductant Tank Temperature Sensor 2 Circuit High Voltage.
- Common causes
- Common causes include Faulty Reductant Quality Sensor, Reductant Quality Sensor harness is open or shorted, Reductant Quality Sensor circuit poor electrical connection.
- Severity
- High - diagnose this code as soon as possible.
- Can I drive?
- Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.
Code P2ADC Description
high for greater than 1 s.
What are the Possible Causes of the DTC P2ADC?
- Faulty Reductant Quality Sensor
- Reductant Quality Sensor harness is open or shorted
- Reductant Quality Sensor circuit poor electrical connection
- Faulty Reductant Control Module
How to Fix the DTC P2ADC?
Review the 'Possible Causes' above and visually examine the corresponding wiring harness and connectors. Check for damaged components and inspect connector pins for signs of being broken, bent, pushed out, or corroded.
What is the Cost to Diagnose the Code?
Labor: 1.0
To diagnose the P2ADC code, it typically requires 1.0 hour of labor. Rates vary by location, vehicle, and shop. Many shops charge between $80–$150 per hour; dealerships and metro areas may be higher, independents may be lower.
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Information for Specific Makes
- P2ADC Buick — Reductant Tank Temperature Sensor 2 Circuit High Voltage
- P2ADC Cadillac — Reductant Tank Temperature Sensor 2 Circuit High Voltage
- P2ADC Chevrolet — Reductant Tank Temperature Sensor 2 Circuit High Voltage
- P2ADC GMC — Reductant Tank Temperature Sensor 2 Circuit High Voltage
Frequently Asked Questions about P2ADC Code
1. What are the common symptoms of OBDII code P2ADC (Reductant Tank Temperature Sensor 2 Circuit High Voltage)?
The common symptoms include the check engine light illuminating on the dashboard, decreased fuel efficiency, and potential issues with the exhaust system.
2. What can cause the OBDII code P2ADC to trigger?
The code P2ADC can be triggered by a faulty reductant tank temperature sensor 2, wiring issues in the sensor circuit, or a malfunction in the engine control module (ECM).
3. How serious is the OBDII code P2ADC (Reductant Tank Temperature Sensor 2 Circuit High Voltage)?
While this code may not cause immediate harm to the vehicle, it is important to address it promptly to prevent potential damage to the exhaust system and ensure optimal engine performance.
4. How can I diagnose the issue related to OBDII code P2ADC?
Diagnosing the issue involves using an OBDII scanner to retrieve the code, inspecting the reductant tank temperature sensor 2 and its wiring for any visible damage, and testing the sensor's resistance and voltage.
5. Can I continue driving with the OBDII code P2ADC present?
It is generally not recommended to continue driving with the code present, as it can lead to decreased fuel efficiency and potential damage to the exhaust system. It is best to address the issue as soon as possible.
6. What are some possible repair tips for OBDII code P2ADC?
Repair tips may include replacing the reductant tank temperature sensor 2, repairing or replacing any damaged wiring in the sensor circuit, and resetting the ECM after making necessary repairs.
7. Is it possible to clear the OBDII code P2ADC without fixing the underlying issue?
While you can clear the code with an OBDII scanner, it is important to address the root cause of the issue to prevent the code from reappearing and ensure the proper functioning of the vehicle.
8. How much does it typically cost to repair OBDII code P2ADC?
The cost of repairing the OBDII code P2ADC can vary depending on the extent of the issue, the labor rates in your area, and the specific components that need to be replaced. It is recommended to consult a mechanic for an accurate estimate.
9. Can weather conditions affect the triggering of OBDII code P2ADC?
Extreme weather conditions, especially high temperatures, can potentially affect the readings of the reductant tank temperature sensor 2 and contribute to the triggering of the code. It is important to consider environmental factors during diagnosis.
10. How often should the reductant tank temperature sensor 2 be replaced to prevent OBDII code P2ADC from recurring?
There is no specific time frame for replacing the reductant tank temperature sensor 2, but it is recommended to follow the manufacturer's maintenance schedule and replace the sensor if it shows signs of failure or triggers the OBDII code P2ADC.
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