P1704 2003 Infiniti G35 Code - Transmission Control Module
Quick Answer
The P1704 code for a 2003 Infiniti G35 indicates a problem with the Transmission Control Module (TCM). Common causes include Faulty TCM software, Damaged wiring or connectors, Malfunctioning TCM. 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 2003 Infiniti G35 indicates Transmission Control Module.
- Common causes
- Common causes include Faulty TCM software, Damaged wiring or connectors, Malfunctioning TCM.
- 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 2003 Infiniti G35 Description
The P1704 code for a 2003 Infiniti G35 indicates a problem with the Transmission Control Module (TCM). The TCM is responsible for controlling the transmission's shifting, ensuring smooth operation and optimal performance. When this code is triggered, it means that the TCM has detected a malfunction or error in its operation. This can lead to issues with gear shifting, transmission performance, and overall drivability of the vehicle.
Common Causes of P1704 2003 Infiniti G35
- Faulty TCM software
- Damaged wiring or connectors
- Malfunctioning TCM
- Transmission sensor issues
- Electrical problems in the transmission system
Symptoms of P1704 2003 Infiniti G35
- Harsh shifting between gears
- Delayed engagement when shifting
- Slipping gears
- Transmission not shifting at all
- Illumination of the Check Engine Light
How to Fix P1704 2003 Infiniti G35
- Diagnose the specific cause of the P1704 code using a diagnostic scanner.
- Inspect the TCM, wiring, and connectors for any visible damage or corrosion.
- Test the transmission sensors to ensure they are functioning correctly.
- Reset the TCM and perform a relearn procedure to recalibrate the transmission.
- Replace the TCM if necessary and reprogram it with the latest software updates.
Cost to Fix P1704 2003 Infiniti G35
The typical repair costs for addressing a P1704 code on a 2003 Infiniti G35 can range from $200 to $800, depending on the specific cause of the issue and the extent of the repairs needed. This estimate includes parts and labor. However, it's essential to note that diagnosis time and labor rates at auto repair shops can vary significantly. Rates typically range between $80 and $150 per hour, with higher rates in metropolitan areas or at dealerships, and lower rates at independent shops. It's recommended to obtain quotes from local repair shops for a more accurate estimate.
Tech Notes for P1704 2003 Infiniti G35
2003 Infiniti G35 RE5R05A Transmission Factory Service Bulletin OBDII Code P1704
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Frequently Asked Questions about P1704 2003 Infiniti G35 Code
What does the OBDII code P1704 mean for a 2003 Infiniti G35?
The P1704 code indicates a problem with the Transmission Control Module (TCM), specifically related to the communication or functionality of the transmission system.
What are common symptoms associated with the P1704 code?
Symptoms can include harsh or erratic shifting, the vehicle going into limp mode, poor acceleration, or the Check Engine Light being illuminated.
What could cause the P1704 code to trigger in my Infiniti G35?
Common causes include a faulty Transmission Control Module, wiring issues, poor connections, or a malfunctioning transmission sensor.
How can I diagnose the P1704 code effectively?
Start by scanning the vehicle’s OBDII system for codes, visually inspect wiring and connectors related to the TCM, and check for any other related codes that might indicate additional issues.
What are some repair tips for fixing the P1704 code?
Inspect and repair any damaged wiring or connections, test the TCM for functionality, and consider replacing the TCM if it's determined to be faulty.
Is it safe to drive my Infiniti G35 with the P1704 code?
It may not be safe, as the vehicle could experience erratic shifting or enter limp mode, potentially leading to unsafe driving conditions.
How much does it typically cost to repair the P1704 code?
Repair costs can vary widely depending on the issue, but replacing a Transmission Control Module can range from $500 to $1,500, including parts and labor.
Can a transmission fluid change help with the P1704 code?
While a transmission fluid change won't directly fix the P1704 code, ensuring proper fluid levels and quality can help maintain transmission health and prevent related issues.
Will clearing the code P1704 fix my vehicle's symptoms?
Clearing the code may temporarily turn off the Check Engine Light, but if the underlying issue with the TCM or transmission persists, the symptoms will likely return.
Discuss the causes and fixes for P1704 2003 Infiniti G35 OBDII Code
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I have a 2005 G35 coupe with automatic transmission and have problems with the control untint that is located inside of the transmission,
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Yes the Transmission Control Module (TCM) is located inside the transmission, attached to the valve body.
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