Engine-Codes - Infiniti - P1703 2003 INFINITI G35

P1703 2003 INFINITI G35 - Transmission Control Module ROM

Repair Importance Level: 3/3
Repair Difficulty Level: 3/3  What is this?
Table of contents

P1703 2003 INFINITI G35 Possible Causes

  • Faulty Transmission Control Module (TCM)
  • Transmission Control Module (TCM) harness is open or shorted
  • Transmission Control Module (TCM) circuit poor electrical connection

How do I fix code P1703 2003 INFINITI G35?

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 the 2003–2010 Infiniti vehicles with 5-Speed A/T for the P1703 code. The bulletin recommends replacing the Transmission Valve Body to fix the problem.

2003–2010 Infiniti vehicles with 5-Speed A/T OBDII Code P1703

Cost of diagnosing the P1703 2003 INFINITI G35 code

Labor: 1.0

The cost of diagnosing the P1703 2003 INFINITI G35 code is 1.0 hour of labor. The auto repair labor rates vary widely across the country, and even within the same city. Most auto repairs shops charge between $75 and $150 per hour.

Possible Symptoms

  • Engine Light ON (or Service Engine Soon Warning Light)

P1703 2003 INFINITI G35 Meaning

The Transmission Control Module (TCM) consists of a microcomputer and connectors for signal input and output and for power supply. The TCM controls the A/T.

P1703 2003 INFINITI G35 More Information

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