P202C Code - Reductant Tank Heater Control Circuit High
Quick Answer
The tank heater is located in close proximity to the tank temperature sensor. Common causes include Faulty Reductant Tank Heater, Reductant Tank Heater harness is open or shorted, Reductant Tank Heater 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
- P202C indicates Reductant Tank Heater Control Circuit High.
- Common causes
- Common causes include Faulty Reductant Tank Heater, Reductant Tank Heater harness is open or shorted, Reductant Tank Heater 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 P202C Description
When the tank heater is activated, the tank temperature is expected to rise. If this is not the case a fault will be set. If the vehicle is operated for several consecutive short drive cycles, the test may require more than one drive cycle to complete.
What are the Possible Causes of the DTC P202C?
- Faulty Reductant Tank Heater
- Reductant Tank Heater harness is open or shorted
- Reductant Tank Heater circuit poor electrical connection
How to Fix the DTC P202C?
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 P202C 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
- P202C Audi — Reductant Tank Heater Control Circuit High
- P202C Ford — Reductant Tank Heater Control Circuit High
- P202C Mercedes-Benz — Reductant Tank Heater Control Circuit High
- P202C Volkswagen — Reductant Tank Heater Control Circuit High
Frequently Asked Questions about P202C Code
1. What are the common symptoms of OBDII code P202C (Reductant Tank Heater Control Circuit High)?
The common symptoms of P202C may include the Check Engine Light illuminating on the dashboard, reduced engine performance, and potential problems with the reductant system.
2. What could cause the OBDII code P202C to be triggered?
The P202C code is typically triggered by issues with the reductant tank heater control circuit, such as a faulty heater element, damaged wiring, or a defective control module.
3. How serious is the OBDII code P202C?
While the P202C code itself may not cause immediate harm to your vehicle, it is important to address the underlying issue promptly to prevent potential damage to the reductant system and ensure compliance with emissions regulations.
4. Can I continue driving my vehicle with the OBDII code P202C present?
It is generally not recommended to continue driving your vehicle with the P202C code present, as it may lead to reduced fuel efficiency, increased emissions, and potential long-term damage to the reductant system.
5. How can I diagnose and repair OBDII code P202C at home?
Diagnosing and repairing P202C may require specialized diagnostic tools and knowledge of automotive electrical systems. It is recommended to consult a professional mechanic for accurate diagnosis and repair.
6. Is it safe to clear the OBDII code P202C with a diagnostic tool?
Clearing the P202C code with a diagnostic tool may temporarily turn off the Check Engine Light, but it will not fix the underlying issue causing the code. It is essential to address the root cause of the problem for a lasting solution.
7. What are some tips for preventing OBDII code P202C from recurring?
To prevent OBDII code P202C from recurring, regular maintenance of the reductant system, including checking the heater element, inspecting wiring for damage, and ensuring proper connections, is essential.
8. How much does it typically cost to repair OBDII code P202C at a mechanic or dealership?
The cost of repairing OBDII code P202C can vary depending on the underlying issue, labor rates, and parts needed. It is advisable to obtain estimates from different mechanics or dealerships for an accurate idea of the repair cost.
9. Can a faulty reductant tank heater affect vehicle performance?
A faulty reductant tank heater can potentially affect vehicle performance by triggering the P202C code, causing reduced engine efficiency, and impacting emissions levels. It is crucial to address this issue promptly to maintain optimal vehicle performance.
10. How long does it take to repair OBDII code P202C?
The repair time for OBDII code P202C can vary depending on the complexity of the issue and the availability of parts. Some repairs may be completed within a few hours, while others may take longer, especially if extensive diagnostics and component replacement are required.
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