P0843 Dodge Code - Transmission Fluid Pressure Sensor/Switch 'A' Circuit High
Quick Answer
The P0843 code for Dodge vehicles relates to an issue with the Transmission Fluid Pressure Sensor/Switch 'A' Circuit registering a high voltage signal. Common causes include Faulty transmission fluid pressure sensor/switch, Damaged or corroded wiring/connectors, Low transmission fluid levels. 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
- P0843 Dodge indicates Transmission Fluid Pressure Sensor/Switch 'A' Circuit High.
- Common causes
- Common causes include Faulty transmission fluid pressure sensor/switch, Damaged or corroded wiring/connectors, Low transmission fluid levels.
- 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.
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Code P0843 Dodge Description
The P0843 code for Dodge vehicles relates to an issue with the Transmission Fluid Pressure Sensor/Switch 'A' Circuit registering a high voltage signal. This sensor is responsible for monitoring the transmission fluid pressure and sending this data to the vehicle's engine control module (ECM) or transmission control module (TCM). When the sensor detects a high voltage signal, it indicates that there may be an excessive amount of transmission fluid pressure, which can lead to various performance issues and potential damage to the transmission system.
Common Causes of P0843 Dodge
- Faulty transmission fluid pressure sensor/switch
- Damaged or corroded wiring/connectors
- Low transmission fluid levels
- Internal transmission problems
- ECM/TCM issues
Symptoms of P0843 Dodge
- Erratic shifting or hesitation when changing gears
- Harsh or delayed gear changes
- Transmission slipping or jerking
- Illuminated check engine light
- Decreased fuel efficiency
How to Fix P0843 Dodge
- Begin by using a diagnostic scanner to retrieve the specific trouble code and confirm the issue.
- Inspect the transmission fluid level and condition to ensure it meets manufacturer specifications.
- Check the sensor's wiring and connectors for any signs of damage or corrosion, repairing or replacing as needed.
- If no issues are found with the wiring, replace the transmission fluid pressure sensor/switch with a new, OEM-quality part.
- Clear the trouble code, reset the vehicle's ECM/TCM, and test drive the vehicle to ensure the issue has been resolved.
Cost to Fix P0843 Dodge
The cost of repairing a P0843 code on a Dodge vehicle can vary depending on the specific model and year of the vehicle, as well as the labor rates in your area. On average, you can expect to pay between $150 to $300 for parts and labor to address this issue. Keep in mind that diagnostic time and labor rates can fluctuate, so it's recommended to obtain quotes from local auto repair shops for a more accurate estimate.
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