P0846 RAM Code - 2-4 or 2C Pressure Switch Rationality
Quick Answer
The Powertrain Control Module (PCM) uses three pressure switches to monitor the fluid pressure in the LR, 2/4, and OD clutch circuits. Common causes include 2/4 Pressure Switch harness is open or shorted, 2/4 Pressure Switch circuit poor electrical connection, Faulty 2/4 Pressure Switch. 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
- P0846 RAM indicates 2-4 or 2C Pressure Switch Rationality.
- Common causes
- Common causes include 2/4 Pressure Switch harness is open or shorted, 2/4 Pressure Switch circuit poor electrical connection, Faulty 2/4 Pressure Switch.
- 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 P0846 RAM Description
What are the Possible Causes of the DTC P0846 RAM?
- 2/4 Pressure Switch harness is open or shorted
- 2/4 Pressure Switch circuit poor electrical connection
- Faulty 2/4 Pressure Switch
- Internal transmission damage
- Faulty Powertrain Control Module (PCM)
- Faulty Transmission Control Module (TCM)
How to Fix the DTC P0846 RAM?
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 P0846 RAM 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 P0846 RAM Code
1. What are the common symptoms of OBDII code P0846 RAM titled 2-4 or 2C Pressure Switch Rationality?
The common symptoms include harsh shifting, transmission slippage, difficulty shifting gears, and illuminated Check Engine Light.
2. What are the possible causes of OBDII code P0846 RAM?
The code P0846 RAM can be triggered by issues such as a faulty 2-4 or 2C pressure switch, low transmission fluid level, defective wiring or connectors, and internal transmission problems.
3. How can I diagnose the cause of OBDII code P0846 RAM?
Diagnosing the code involves checking the transmission fluid level, inspecting the wiring and connectors related to the 2-4 or 2C pressure switch, and performing a thorough transmission system scan with an OBDII scanner.
4. Can I continue driving my vehicle with OBDII code P0846 RAM?
It is not recommended to continue driving your vehicle with the P0846 RAM code present, as it can lead to further damage to the transmission and potentially cause unsafe driving conditions.
5. What is the typical repair for OBDII code P0846 RAM?
The typical repair for code P0846 RAM involves replacing the faulty 2-4 or 2C pressure switch, addressing any wiring or connector issues, and ensuring the transmission fluid level is correct.
6. How much does it cost to fix OBDII code P0846 RAM?
The cost of fixing code P0846 RAM can vary depending on the exact cause of the issue, but it typically ranges from $200 to $500 for parts and labor.
7. Can a DIY enthusiast fix OBDII code P0846 RAM?
While some DIY enthusiasts may have the skills to address simpler causes of P0846 RAM, diagnosing and repairing transmission-related issues often require professional expertise due to the complexity involved.
8. Is it necessary to reset the OBDII code P0846 RAM after repairs?
Yes, it is important to reset the code after repairs have been made to clear the Check Engine Light and ensure the issue has been successfully resolved.
9. How long does it take to repair OBDII code P0846 RAM?
The repair time for code P0846 RAM can vary depending on the specific cause and the extent of the issue, but it typically takes a few hours to complete the repair.
10. Can OBDII code P0846 RAM cause further damage if left untreated?
Yes, if left untreated, OBDII code P0846 RAM can lead to more severe transmission problems, increased repair costs, and potential safety hazards while driving.
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