Transmission Control Module
Table of contents
P1704 INFINITI Possible Causes
- Faulty Transmission Control Module (TCM)
- Transmission Control Module harness is open or shorted
- Transmission Control Module circuit poor electrical connection
How do I fix code P1704 INFINITI?
Check the “Possible Causes” listed above. Visually inspect the related wiring harness and connectors. Check for damaged components and look for broken, bent, pushed out, or corroded connector’s pins.
Tech Notes
- There is a Factory Service Bulletin for all 2003–2010 Infiniti vehicles with 5-Speed A/T RE5R05A Transmission:
- 2003–2010 Infiniti RE5R05A Transmission Factory Service Bulletin OBDII Code P1704
Cost of diagnosing the P1704 INFINITI code
The cost of diagnosing the P1704 INFINITI code is 1.0 hour of labor. The auto repair labor rates vary by location, your vehicle’s make and model, and even your engine type. Most auto repairs shops charge between $75 and $150 per hour.
Possible Symptoms
- Engine Light ON (or Service Engine Soon Warning Light)
P1704 INFINITI Description
The transmission solenoids and valves are controlled by the Transmission Control Module (TCM) in response to signals sent from the Park & Neutral Position (PNP) Switch, Vehicle Speed Sensor (VSS), and Accelerator Pedal Position (APP) Sensor (Throttle Position Sensor). The Diagnostic Trouble Code (DTC) will set when the TCM memory Electrically Erasable Programmable Read Only Memory (EEPROM) is malfunctioning.