P0812 Dodge Code - Reverse Input Circuit
Quick Answer
The P0812 diagnostic trouble code (DTC) for Dodge vehicles refers to a potential issue with the reverse input circuit. Common causes include Faulty reverse input sensor, Damaged wiring or connectors in the reverse input circuit, Malfunctioning transmission range sensor. 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
- P0812 Dodge indicates Reverse Input Circuit.
- Common causes
- Common causes include Faulty reverse input sensor, Damaged wiring or connectors in the reverse input circuit, Malfunctioning transmission range sensor.
- 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 P0812 Dodge Description
The P0812 diagnostic trouble code (DTC) for Dodge vehicles refers to a potential issue with the reverse input circuit. This code indicates that there is a malfunction in the circuit responsible for sending signals to the vehicle's transmission control module (TCM) when the vehicle is shifted into reverse gear. The reverse input circuit is crucial for the proper operation of the transmission system, as it allows the TCM to detect when the vehicle is in reverse and adjust the transmission accordingly.
Common Causes of P0812 Dodge
- Faulty reverse input sensor
- Damaged wiring or connectors in the reverse input circuit
- Malfunctioning transmission range sensor
- Issues with the transmission control module (TCM)
- Low transmission fluid levels or contaminated fluid
Symptoms of P0812 Dodge
- Delayed engagement when shifting into reverse
- Harsh or jerky gear changes while reversing
- Inability to move in reverse
- Illumination of the Check Engine Light
- Transmission slipping or overheating
How to Fix P0812 Dodge
- Use a scan tool to retrieve the fault codes stored in the TCM.
- Inspect the reverse input circuit for any damaged wiring or connectors.
- Test the reverse input sensor for proper operation and replace if necessary.
- Check the transmission range sensor for faults and replace if needed.
- Clear the fault codes from the TCM memory and test drive the vehicle to verify the repair.
Cost to Fix P0812 Dodge
The cost of repairing a P0812 code can vary depending on the specific cause of the issue and the extent of the repairs needed. In general, the cost of parts for this repair can range from $50 to $200, while labor costs typically fall between $100 and $300. Overall, the total repair cost for addressing a P0812 code can range from $150 to $500. However, it's important to note that these are rough estimates, and actual costs may vary based on factors such as the location of the repair shop, the vehicle make and model, and the type of engine. Additionally, diagnostic time and labor rates at auto repair shops can also impact the final cost of the repair. It's recommended to consult with a qualified mechanic for a more accurate estimate based on your specific circumstances.
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