Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
DTC Confirmation Procedure
- PREPARATION BEFORE WORK
If another "DTC CONFIRMATION PROCEDURE" occurs just before, turn ignition switch OFF and wait for at least 10 seconds, then perform the next test.
: GO TO 2.
- CHECK DTC DETECTION (PART 1)
With CONSULT
- Start the engine.
- Select "Data Monitor" in "TRANSMISSION".
- Select "RANGE".
- Maintain the following condition for 1 second or more.
RANGE: "P" or "N" position
- Select "Self Diagnostic Results" in "TRANSMISSION".
With GST
Follow the procedure "With CONSULT".
Is "P1740" detected?
YES: Go to "DIAGNOSIS PROCEDURE ".
NO: GO TO 3.
- CHECK DTC DETECTION (PART 2)
With CONSULT
- Select "Data Monitor" in "TRANSMISSION".
- Select "RANGE".
- Maintain the following condition for 1 second or more.
RANGE: "R" or "D" position
- Select "Self Diagnostic Results" in "TRANSMISSION".
With GST
Follow the procedure "With CONSULT".
Is "P1740" detected?
YES: Go to "DIAGNOSIS PROCEDURE ".
NO: INSPECTION END
NO RELATED
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.