P0848 Code - Transmission Fluid Pressure Sensor/Switch 'B' Circuit High
Quick Answer
The Transmission Control Module (TCM) monitors the Transmission Fluid Pressure Sensor/Switch signal. Common causes include Faulty Transmission Fluid Pressure Sensor/Switch 'B', Transmission Fluid Pressure Sensor/Switch 'B' harness is open or shorted, Transmission Fluid Pressure Sensor/Switch 'B' 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
- P0848 indicates Transmission Fluid Pressure Sensor/Switch 'B' Circuit High.
- Common causes
- Common causes include Faulty Transmission Fluid Pressure Sensor/Switch 'B', Transmission Fluid Pressure Sensor/Switch 'B' harness is open or shorted, Transmission Fluid Pressure Sensor/Switch 'B' 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 P0848 Description
What are the Possible Causes of the DTC P0848?
- Faulty Transmission Fluid Pressure Sensor/Switch 'B'
- Transmission Fluid Pressure Sensor/Switch 'B' harness is open or shorted
- Transmission Fluid Pressure Sensor/Switch 'B' circuit poor electrical connection
How to Fix the DTC P0848?
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 P0848 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
- P0848 Acura — 3rd Clutch Transmission Fluid Pressure Switch Circuit Short or Stuck OFF
- P0848 Buick — Transmission Fluid Pressure Switch 2 Circuit High Voltage
- P0848 Cadillac — Transmission Fluid Pressure Switch 2 Circuit High Voltage
- P0848 Chevrolet — Transmission Fluid Pressure Switch 2 Circuit High Voltage
- P0848 Chrysler — Transmission Fluid Pressure Sensor/Switch 'B' Circuit High
- P0848 Dodge — Transmission Fluid Pressure Sensor/Switch 'B' Circuit High
- P0848 GMC — Transmission Fluid Pressure Switch 2 Circuit High Voltage
- P0848 Honda — 3rd Clutch Transmission Fluid Pressure Switch Circuit Short or Stuck OFF
- P0848 Infiniti — Transmission Fluid Pressure Sensor/Switch 'B' Circuit High
- P0848 Jeep — Transmission Fluid Pressure Sensor/Switch 'B' Circuit High
- P0848 Mercedes-Benz — Transmission Fluid Pressure Sensor/Switch 'B' Circuit High
- P0848 Nissan — Transmission Fluid Pressure Sensor/Switch 'B' Circuit High
Frequently Asked Questions about P0848 Code
1. What are the common symptoms of OBDII code P0848?
Symptoms may include harsh shifting, transmission slippage, reduced fuel efficiency, and the illumination of the Check Engine light.
2. What does OBDII code P0848 indicate?
P0848 indicates a high voltage condition in the Transmission Fluid Pressure Sensor/Switch 'B' circuit.
3. What are some possible causes of OBDII code P0848?
Potential causes include a faulty transmission fluid pressure sensor/switch, wiring issues, a malfunctioning transmission control module, or low transmission fluid levels.
4. How serious is OBDII code P0848?
While the vehicle may still be operable with this code, driving with transmission issues can lead to further damage if left unresolved. It is recommended to address the issue promptly.
5. Can I continue driving my vehicle with OBDII code P0848?
It is not recommended to continue driving the vehicle with this code present, as it can lead to transmission problems and potentially cause further damage.
6. How can I diagnose OBDII code P0848?
Diagnosis typically involves using a scan tool to read the code, inspecting the transmission fluid level and condition, and testing the transmission fluid pressure sensor/switch.
7. How is OBDII code P0848 typically repaired?
Repairs may involve replacing the faulty transmission fluid pressure sensor/switch, repairing any damaged wiring, or addressing any issues with the transmission control module.
8. Can low transmission fluid cause OBDII code P0848?
Yes, low transmission fluid levels can lead to pressure sensor/switch malfunctions and trigger code P0848. Checking and topping up the transmission fluid may resolve the issue.
9. Is it possible to reset OBDII code P0848 without fixing the underlying issue?
Resetting the code without addressing the root cause will only temporarily clear the Check Engine light. The issue will likely resurface until the underlying problem is fixed.
10. How can I prevent OBDII code P0848 from appearing?
Regularly checking and maintaining proper transmission fluid levels, addressing any leaks promptly, and ensuring the transmission system is in good condition can help prevent code P0848.
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