P0874 Code - Transmission Fluid Pressure Sensor/Switch 'C' Circuit Intermittent
Quick Answer
The Engine Control Module (ECM) monitors the Transmission Fluid Pressure Sensor/Switch 'C'. Common causes include Faulty Transmission Fluid Pressure Sensor/Switch 'C', Transmission Fluid Pressure Sensor/Switch 'C' harness is open or shorted, Transmission Fluid Pressure Sensor/Switch 'C' 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
- P0874 indicates Transmission Fluid Pressure Sensor/Switch 'C' Circuit Intermittent.
- Common causes
- Common causes include Faulty Transmission Fluid Pressure Sensor/Switch 'C', Transmission Fluid Pressure Sensor/Switch 'C' harness is open or shorted, Transmission Fluid Pressure Sensor/Switch 'C' 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 P0874 Description
What are the Possible Causes of the DTC P0874?
- Faulty Transmission Fluid Pressure Sensor/Switch 'C'
- Transmission Fluid Pressure Sensor/Switch 'C' harness is open or shorted
- Transmission Fluid Pressure Sensor/Switch 'C' circuit poor electrical connection
How to Fix the DTC P0874?
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 P0874 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
- P0874 Dodge — Transmission Fluid Pressure Sensor/Switch 'C' Circuit Intermittent
Frequently Asked Questions about P0874 Code
1. What does the OBDII code P0874 mean?
P0874 indicates an intermittent issue with the Transmission Fluid Pressure Sensor/Switch 'C' circuit, which monitors the hydraulic pressure in the transmission.
2. What are the common symptoms of code P0874?
Symptoms may include erratic shifting, transmission slipping, poor acceleration, the transmission stuck in one gear, or the Check Engine Light being illuminated.
3. What causes the P0874 code to be triggered?
Common causes include a faulty transmission fluid pressure sensor, damaged wiring or connectors, low or dirty transmission fluid, or an internal transmission issue.
4. Can I still drive my vehicle with the P0874 code?
It’s not recommended, as continued driving can cause further damage to the transmission and result in unsafe driving conditions.
5. How do I diagnose the P0874 code?
Diagnosis involves checking the transmission fluid condition, inspecting the wiring and connectors for damage, and testing the transmission fluid pressure sensor for proper operation.
6. How is the P0874 code typically fixed?
Repairs may include replacing the faulty pressure sensor, repairing or replacing damaged wiring, cleaning or replacing the transmission fluid, or addressing internal transmission issues.
7. Can low transmission fluid cause the P0874 code?
Yes, low or dirty transmission fluid can cause erratic pressure readings, leading to the P0874 code.
8. Does the P0874 code always mean the pressure sensor is bad?
No, the issue could also stem from wiring problems, poor connections, or internal transmission faults, not just the sensor itself.
9. How much does it cost to fix the P0874 code?
Repair costs vary depending on the underlying issue but can range from $150 to $400 for a sensor replacement and much more if internal transmission repairs are needed.
10. Can a software update fix the P0874 code?
In some cases, a transmission control module (TCM) software update may resolve the issue, but this depends on the vehicle make and model.
Discuss the causes and fixes for P0874 OBDII Code
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