P1682 – Chrysler DTC

Chrysler DTC P1682 – Charging System Voltage Too Low

DTC P1682 meaning on Chrysler

DTC P1682 on a Chrysler indicates that the charging system voltage is too low. This diagnostic trouble code is triggered when the powertrain control module (PCM) detects that the voltage from the charging system is below the specified threshold.

Chrysler DTC P1682 symptoms

Symptoms of DTC P1682 on a Chrysler may include:

  • Dimming or flickering lights
  • Battery warning light illuminated on the dashboard
  • Difficulty starting the vehicle
  • Electrical system malfunctions

Chrysler DTC P1682 causes

Common causes of DTC P1682 on a Chrysler include:

  • Defective alternator
  • Weak or failing battery
  • Loose or corroded battery connections
  • Faulty voltage regulator
  • Broken or damaged wiring in the charging system

Chrysler DTC P1682 seriousness

DTC P1682 should be addressed promptly as a low charging system voltage can lead to a discharged battery, electrical system failures, and ultimately, the vehicle stalling or not starting.

How to diagnose DTC P1682 on Chrysler

To diagnose DTC P1682 on a Chrysler, a mechanic may perform the following steps:

  1. Check the battery voltage
  2. Inspect the alternator output
  3. Test the voltage regulator
  4. Examine the battery and charging system connections
  5. Scan the vehicle’s computer for additional fault codes

How to fix DTC P1682 on Chrysler

To fix DTC P1682 on a Chrysler, the following actions may be taken:

  1. Replace a faulty alternator
  2. Install a new battery if needed
  3. Clean or tighten battery connections
  4. Replace a defective voltage regulator
  5. Repair any damaged wiring in the charging system

How to erase DTC P1682 on Chrysler

DTC P1682 can be cleared from the PCM memory using a diagnostic scan tool. Once the underlying issue has been addressed and fixed, the code can be erased by selecting the appropriate option on the scan tool.

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