P1689 – Chrysler DTC

Chrysler DTC P1689 – No Communication Between ECM & Injection Pump Module

DTC P1689 meaning on Chrysler

DTC P1689 on Chrysler indicates a communication issue between the Engine Control Module (ECM) and the Injection Pump Module. This code is specific to Chrysler vehicles and points to a lack of communication between these two critical components.

Chrysler DTC P1689 symptoms

Symptoms of DTC P1689 on a Chrysler vehicle may include:

• Check Engine Light illuminated
• Engine stalling or hesitation
• Loss of power
• Difficulty starting the engine

Chrysler DTC P1689 causes

The potential causes of DTC P1689 on a Chrysler vehicle include:

• Faulty ECM or Injection Pump Module
• Wiring or connection issues between the ECM and Injection Pump Module
• Corrosion or damage to electrical connectors

Chrysler DTC P1689 seriousness

DTC P1689 is a serious issue as it can lead to drivability problems and potential engine damage if left unresolved. It is important to address this code promptly to prevent further issues.

How to diagnose DTC P1689 on Chrysler

To diagnose DTC P1689 on a Chrysler vehicle, a mechanic may perform the following steps:

1. Use a diagnostic scanner to retrieve the trouble codes
2. Inspect the wiring and connectors between the ECM and Injection Pump Module
3. Check for any visible damage or corrosion
4. Test the ECM and Injection Pump Module for proper functionality

How to fix DTC P1689 on Chrysler

To fix DTC P1689 on a Chrysler vehicle, the following steps may be taken:

1. Repair or replace any damaged wiring or connectors
2. Test and, if necessary, replace the ECM or Injection Pump Module
3. Clear the trouble codes and perform a test drive to ensure the issue is resolved

How to erase DTC P1689 on Chrysler

To erase DTC P1689 on a Chrysler vehicle, follow these steps:

1. Use a diagnostic scanner to clear the trouble codes
2. Ensure the issue causing the code has been resolved
3. Perform a test drive to confirm the code does not return

Recommended tools for Chrysler diagnostics

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