Hyundai Kia Error Code P1695: How to Fix It

Medium 1-2 hours High Severity Verified June 2026
Error Code
P1695
Brand
Hyundai Kia
Product Type
automotive
Severity
High
DIY Difficulty
Medium
Estimated Fix Time
1-2 hours
Error code P1695 indicates a fault in your Hyundai or Kia's Engine Control Module (ECM) EEPROM memory. This critical error affects the ECM's ability to store and retrieve essential engine data, potentially causing performance issues, starting problems, or engine stalling.
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Tools You'll Need

How to Fix Error Code P1695

  1. Check OBD2 Scanner Connection

    Never disconnect the battery while the engine is running as this can damage electronic components.
  2. Inspect ECM Wiring Harness

    Disconnect the negative battery terminal and wait 10 minutes before handling ECM connections to prevent electrical shock.
  3. Check Battery Voltage

  4. Test ECM Power Supply

  5. Attempt ECM Reset

  6. Update ECM Software

Parts You May Need

Engine Control Module (ECM)
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ECM wiring harness
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Engine Control Module (ECM)
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ECM wiring harness
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Engine Control Module (ECM)
Check Price on Amazon
ECM wiring harness
Check Price on Amazon
Engine Control Module (ECM)
Check Price on Amazon
ECM wiring harness
Check Price on Amazon
Engine Control Module (ECM)
Check Price on Amazon
ECM wiring harness
Check Price on Amazon
Engine Control Module (ECM)
Check Price on Amazon
ECM wiring harness
Check Price on Amazon
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When to Call a Professional

If the error persists after checking connections and performing a reset, the ECM likely needs professional reprogramming or replacement. ECM replacement requires specialized programming tools and dealer-level access to vehicle software.

Frequently Asked Questions

What does P1695 mean on Hyundai Kia vehicles?
P1695 indicates an EEPROM fault in the Engine Control Module. The EEPROM stores critical engine calibration data, and when it fails, the ECM cannot properly control engine functions.
Can I drive with P1695 error code?
Driving with P1695 is not recommended as it can cause unpredictable engine behavior, poor performance, or sudden stalling. Have it diagnosed and repaired as soon as possible.
How much does it cost to fix P1695?
Repair costs range from $100-300 for wiring issues to $800-1500 for ECM replacement and programming, depending on your vehicle model and labor rates.
Will disconnecting the battery fix P1695?
A battery reset may temporarily clear P1695 if caused by software glitches, but if the EEPROM hardware is damaged, the code will return and require ECM repair or replacement.
Is P1695 covered under Hyundai Kia warranty?
P1695 may be covered under powertrain warranty if your vehicle is within the coverage period. Some models have extended ECM warranties or recalls for this specific issue.