P1704 Infiniti Code - Transmission Control Module
Quick Answer
The P1704 code in an Infiniti indicates a problem with the Transmission Control Module (TCM). Common causes include Faulty Transmission Control Module (TCM), Wiring issues or poor connections, Low transmission fluid levels or dirty fluid. 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
- P1704 Infiniti indicates Transmission Control Module.
- Common causes
- Common causes include Faulty Transmission Control Module (TCM), Wiring issues or poor connections, Low transmission fluid levels or dirty fluid.
- 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 P1704 Infiniti Description
The P1704 code in an Infiniti indicates a problem with the Transmission Control Module (TCM). The TCM is responsible for controlling various aspects of the transmission system, such as shifting gears, torque converter lockup, and overall performance. When this code is triggered, it means that the TCM is not functioning properly, which can lead to a range of issues with the vehicle's transmission.
Common Causes of P1704 Infiniti
- Faulty Transmission Control Module (TCM)
- Wiring issues or poor connections
- Low transmission fluid levels or dirty fluid
- Malfunctioning solenoids or sensors
- Electrical problems within the transmission system
Symptoms of P1704 Infiniti
- Harsh shifting between gears
- Slipping gears or difficulty engaging
- Delayed shifting or hesitation
- Illumination of the Check Engine Light
- Reduced fuel efficiency
How to Fix P1704 Infiniti
- Diagnose the code using a scan tool to pinpoint the exact issue with the TCM.
- Inspect the wiring and connections for any damage or loose connections.
- Check the transmission fluid level and condition, and perform a fluid flush and filter replacement if necessary.
- Test the solenoids and sensors for proper function and replace any faulty components.
- Clear the code and reset the TCM to ensure proper operation of the transmission.
Cost to Fix P1704 Infiniti
The typical repair costs for addressing the P1704 code in an Infiniti can range from $200 to $800, depending on the specific cause of the issue and the extent of the repairs needed. This estimate includes the cost of parts and labor. It's important to note that diagnosis time and labor rates at auto repair shops can vary based on factors such as location, vehicle make and model, and engine type. It's advisable to check with local shops for a more accurate estimate based on your specific situation.
Tech Notes for P1704 Infiniti
2003–2010 Infiniti RE5R05A Transmission Factory Service Bulletin OBDII Code P1704
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Information for Specific Infiniti Models
- P1704 2003 Infiniti G35 — Transmission Control Module
- P1704 2004 Infiniti G35 — Transmission Control Module
Frequently Asked Questions about P1704 Infiniti Code
No Frequently Asked Questions about P1704 Infiniti Code found.
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