OBDII Code List

P1684 SATURN - Transmission Control Module Power Up Temperature Sensor Performance

Repair Importance Level: 3/3
Repair Difficulty Level: 3/3   
Comments  |  Add Comment

P1684 SATURN Possible Causes

  • Reprogram TCM and recheck code
  • Replace Transmission Control Module (TCM) Sensor/body assembly one piece

First diagnose P1684 SATURN code

    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 terminals.

Cost of diagnosing the P1684 SATURN code

    Labor: 1.0

    The cost of diagnosing the P1684 SATURN 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.

P1684 SATURN Possible Symptoms

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

P1684 Saturn Description

The Transmission Control Module (TCM) power up the temperature sensor is located inside of the control solenoid (w/body and TCM) valve assembly and has no serviceable parts. The TCM power up temperature sensor provides the temperature pof the TCM at TCM power up. This temperature readings is used in various shifting and diagnostic routines in the TCM software. This fault is handled inside the TCM and no external circuit are involved.
OBDII Code P1684 Saturn - Transmission Control Module Power Up Temperature Sensor Performance -

P1684 SATURN More Information

Need more information on how to fix the P1684 SATURN code?
Get Access to Factory Service Manuals

Need more help?

Get the P1684 Saturn code diagnosed by a professional: Find a repair shop in your area

Related Information

P1684 SATURN Comments

Help us improve Leave a comment below or tell us if the information above help you fix the code. What are the symptoms on your vehicle for the P1684 Saturn code? Have you replaced any parts?
Any information is appreciated. Thanks
Top ⇧