P1694 – Dodge DTC

Dodge DTC P1694 – No CCD Messages Received From ECM

DTC P1694 meaning on Dodge

DTC P1694 on a Dodge vehicle indicates “No CCD Messages Received From ECM.” CCD stands for Chrysler Collision Detection. This diagnostic trouble code suggests a communication issue between the Engine Control Module (ECM) and other modules in the vehicle.

Dodge DTC P1694 symptoms

Symptoms of DTC P1694 may include:

  • Check Engine Light illuminated
  • Problems with engine performance
  • Issues with transmission shifting
  • Difficulty starting the vehicle

Dodge DTC P1694 causes

Common causes of DTC P1694 include:

  • Faulty ECM
  • Wiring or connection issues
  • Defective communication bus
  • Software glitches

Dodge DTC P1694 seriousness

The seriousness of DTC P1694 lies in the potential for communication breakdown between critical vehicle systems. Ignoring this code can lead to performance issues and potential safety concerns.

How to diagnose DTC P1694 on Dodge

To diagnose DTC P1694 on a Dodge vehicle, a mechanic may:

  1. Use a diagnostic scanner to retrieve the trouble codes
  2. Inspect the wiring and connections related to the ECM
  3. Check for any other stored codes that may provide additional clues
  4. Perform a communication system test to identify the source of the issue

How to fix DTC P1694 on Dodge

To fix DTC P1694 on a Dodge vehicle, you may need to:

  1. Repair any damaged wiring or connections
  2. Replace the ECM if found to be faulty
  3. Update software or reprogram modules as needed
  4. Ensure proper communication between modules

How to erase DTC P1694 on Dodge

To erase DTC P1694 on a Dodge vehicle, you can:

  1. Use a diagnostic scanner to clear the trouble codes
  2. Address and fix the underlying issue causing the code
  3. Perform a test drive to ensure the code does not return

Recommended tools for Dodge 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.