AutoCodes – Hyundai – P1529 Hyundai

P1529 Hyundai Code - TCM MIL On Request Signal

Quick Answer

The Transmission Control Module (TCM) can request activation of the Malfunction Illumination Lamp (MIL) lamp Via a communication line to the Engine Control Module (ECM). Common causes include Check for transmission codes. 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
P1529 Hyundai indicates TCM MIL On Request Signal.
Common causes
Common causes include Check for transmission codes.
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 Popularity 98,155
How popular is this code, among other codes? Medium
Table of contents Created and updated by William Orellana on Feb 21, 2020
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Code P1529 Hyundai Description

The Transmission Control Module (TCM) can request activation of the Malfunction Illumination Lamp (MIL) lamp Via a communication line to the Engine Control Module (ECM). This is only a request from TCM to ECM to turn the MIL on. The fault code is stored in the TCM. Select Transaxle system on the Scantool and monitor DTC related automatic transaxle system.
OBDII Code P1529 Hyundai - TCM MIL On Request Signal - AutoCodes.com
P1529 Hyundai Code - TCM MIL On Request Signal

What are the Possible Causes of the DTC P1529 Hyundai?

  • Check for transmission codes.

How to Fix the DTC P1529 Hyundai?

Review the 'Possible Causes' above and visually examine the corresponding wiring harness and connectors. Check for damaged components and inspect connector pins for signs of being broken, bent, pushed out, or corroded.

Code Tech Notes

What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the P1529 Hyundai code, it typically requires 1.0 hour of labor. Rates vary by location, vehicle, and shop. Many shops charge between $80–$150 per hour; dealerships and metro areas may be higher, independents may be lower.

Need more information about the P1529 Hyundai code?

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Need Help with the Code?

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About the author: William Orellana is a Master Mechanic and Mechanical Engineer with over 30 years of experience diagnosing and repairing vehicles. Learn more about his background.

Frequently Asked Questions about P1529 Hyundai Code

No Frequently Asked Questions about P1529 Hyundai Code found.

Discuss the causes and fixes for P1529 Hyundai OBDII Code

  • Check engine light P1529? If tcm is bad? Then what? If ECM? Then what? If both? Then what?

  • What model and year is your Hyundai?

    The P1529 code means that there is a problem with transmission, but doesn't say exactly what the problem is. You have to inspect or check for codes in the transmission to find out exactly what the problem is. Do not replace the TCM or ECM for this code.

  • Good Morning, OBIITech, recently, on my Hyundai Elantra, a neutral safety switch and a transmission speed sensor was replaced. My engine light came on and the mechanic check for code and P1529 came up. Can you please assist in this matter? My mechanic told me to contact Hyundai dealer and find out where are the codes located, in or out?????

  • Do you have any other codes or symptoms? what year is your Elentra?

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