P2784 Dodge Code - Input/Turbine Speed Sensor 'A'/'B' Correlation
Quick Answer
The Input Speed Sensor detects the primary pulley revolution speed and sends a signal to the Transmission Control Module (TCM) and Engine Control Module (ECM). Common causes include Faulty Input Speed Sensor, Input Speed Sensor harness is open or shorted, Input Speed 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
- P2784 Dodge indicates Input/Turbine Speed Sensor 'A'/'B' Correlation.
- Common causes
- Common causes include Faulty Input Speed Sensor, Input Speed Sensor harness is open or shorted, Input Speed 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 P2784 Dodge Description
What are the Possible Causes of the DTC P2784 Dodge?
- Faulty Input Speed Sensor
- Input Speed Sensor harness is open or shorted
- Input Speed Sensor circuit poor electrical connection
How to Fix the DTC P2784 Dodge?
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 P2784 Dodge 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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Frequently Asked Questions about P2784 Dodge Code
1. What does the OBDII code P2784 mean on a Dodge vehicle?
The P2784 code indicates a correlation issue between the input/turbine speed sensors 'A' and 'B,' which monitor the transmission's input shaft speed.
2. What are the common symptoms of the P2784 code in a Dodge?
Symptoms may include transmission slipping, harsh shifting, poor acceleration, erratic speedometer readings, and the illumination of the check engine light.
3. What causes the P2784 code to appear in a Dodge?
Common causes include faulty input/turbine speed sensors, damaged wiring or connectors, transmission fluid issues, or an internal transmission mechanical problem.
4. Is the P2784 code serious for my Dodge vehicle?
Yes, it can lead to drivability issues, transmission damage, and unsafe driving conditions if not addressed promptly.
5. How is the P2784 code diagnosed in a Dodge?
A technician will use a scan tool to examine freeze frame data, inspect the input/turbine speed sensors and wiring, test for proper sensor operation, and potentially check the transmission internals.
6. Can I drive my Dodge with the P2784 code?
Driving with this code is not recommended, as it can cause further transmission damage or unsafe driving conditions due to shifting or acceleration problems.
7. How can I fix the P2784 code on my Dodge?
Repairs may involve replacing faulty input/turbine speed sensors, repairing damaged wiring or connectors, flushing and replacing the transmission fluid, or addressing internal transmission issues.
8. How much does it cost to repair the P2784 code on a Dodge?
The cost varies depending on the cause; sensor replacement may cost $100-$300, while internal transmission repairs can be significantly more expensive.
9. Can a low transmission fluid level trigger the P2784 code in a Dodge?
Yes, low or contaminated transmission fluid can cause sensor inaccuracies and trigger the P2784 code.
10. What tools are needed to diagnose and repair the P2784 code on a Dodge?
Common tools include an OBDII scanner, multimeter, and basic hand tools for sensor replacement. Advanced diagnostic equipment may be required for transmission inspection.
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