P202A Code - Reductant Tank Heater Control Circuit/Open
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
- P202A indicates Reductant Tank Heater Control Circuit/Open.
- 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 P202A 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 P202A?
- Faulty Reductant Tank Heater
- Reductant Tank Heater harness is open or shorted
- Reductant Tank Heater circuit poor electrical connection
How to Fix the DTC P202A?
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 P202A 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
- P202A Audi — Reductant Tank Heater Control Circuit/Open
- P202A Ford — Reductant Tank Heater Control Circuit/Open
- P202A Volkswagen — Reductant Tank Heater Control Circuit/Open
Frequently Asked Questions about P202A Code
No Frequently Asked Questions about P202A Code found.
Discuss the causes and fixes for P202A OBDII Code
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2012 VW Passat TDI- P202A code - car drives fine. How can I fix it? Urgency to fix in light of emissions scandal.
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