P1602 – Hyundai DTC

Hyundai DTC P1602 – Transmission control module (TCM) – serial communication problem

DTC P1602 meaning on Hyundai

DTC P1602 for Hyundai indicates a transmission control module (TCM) serial communication problem. This means there is an issue with the communication between the TCM and other control modules in the vehicle.

Hyundai DTC P1602 symptoms

Symptoms of DTC P1602 on a Hyundai may include:

  • Check Engine Light illuminated
  • Transmission shifting issues
  • Vehicle may go into limp mode

Hyundai DTC P1602 causes

Common causes of DTC P1602 on a Hyundai include:

  • Faulty TCM
  • Wiring or connection issues between TCM and other modules
  • Software glitches

Hyundai DTC P1602 seriousness

DTC P1602 should be addressed promptly as it can lead to transmission performance issues and potentially affect the overall drivability of the vehicle.

How to diagnose DTC P1602 on Hyundai

To diagnose DTC P1602 on a Hyundai, a mechanic may:

  1. Use a diagnostic scanner to retrieve the trouble codes
  2. Inspect the TCM for any visible damage
  3. Check the wiring and connections related to the TCM

How to fix DTC P1602 on Hyundai

To fix DTC P1602 on a Hyundai, the following steps may be taken:

  1. Repair or replace any damaged wiring or connections
  2. Update the TCM software if necessary
  3. Replace the TCM if it is found to be faulty

How to erase DTC P1602 on Hyundai

DTC P1602 can be erased on a Hyundai by using a diagnostic scanner to clear the trouble codes stored in the vehicle’s system.

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