P1608 – Hyundai DTC

Hyundai DTC P1608 – Electronic throttle system (ETS)/engine control module (ECM) – communication malfunction

DTC P1608 meaning on Hyundai

DTC P1608 on a Hyundai indicates a communication malfunction between the Electronic Throttle System (ETS) and the Engine Control Module (ECM). This fault code is specific to the electronic throttle control system and the engine control module not being able to communicate effectively.

Hyundai DTC P1608 symptoms

Symptoms of DTC P1608 on a Hyundai may include:

• Check Engine Light (MIL) illuminated
• Reduced engine power
• Engine stalling or hesitation
• Throttle response issues

Hyundai DTC P1608 causes

Common causes of DTC P1608 on a Hyundai include:

• Faulty electronic throttle body
• Wiring or connection issues between the ETS and ECM
• Defective ECM
• Software glitches or programming errors

Hyundai DTC P1608 seriousness

The seriousness of DTC P1608 on a Hyundai depends on the underlying cause. If left unresolved, it can lead to drivability issues and potential safety concerns. It is recommended to address this fault code promptly to prevent further damage to the vehicle.

How to diagnose DTC P1608 on Hyundai

To diagnose DTC P1608 on a Hyundai, a mechanic may perform the following steps:

1. Use a diagnostic scan tool to retrieve the fault code and freeze frame data
2. Inspect the electronic throttle body for any visible damage or contamination
3. Check the wiring and connectors between the ETS and ECM for loose connections or corrosion
4. Perform a thorough inspection of the ECM for any signs of malfunction

How to fix DTC P1608 on Hyundai

To fix DTC P1608 on a Hyundai, the following steps may be taken:

1. Repair or replace the electronic throttle body if found faulty
2. Repair any damaged wiring or connectors between the ETS and ECM
3. Replace the ECM if diagnosed as the root cause of the communication malfunction
4. Update or reprogram the ECM software to address any programming errors

How to erase DTC P1608 on Hyundai

To erase DTC P1608 on a Hyundai, follow these steps:

1. Use a diagnostic scan tool to clear the fault code from the ECM memory
2. Ensure that the underlying issue causing the fault code has been resolved
3. Perform a road test to confirm that the fault code does not return

Recommended tools for Hyundai diagnostics

Explore our expert picks: The Best OBD2 Scanners for 2025

Easy-to-use Multimeter for reliable diagnostics: AstroAI Auto-ranging Multimeter

Some of the links on this page may be affiliate links, which means we may earn a small commission if you make a purchase. This helps us keep our DTC database up to date and provide valuable content for free. We only recommend products that we have tested and believe to be the best in their class.