P1634 – Kia DTC

Kia DTC P1634 – Alternator “B” Open (1.8L)

DTC P1634 meaning on Kia

The DTC P1634 code for Kia indicates an issue with the alternator “B” circuit being open. This means that there is a break or interruption in the electrical connection within the alternator circuit.

Kia DTC P1634 symptoms

Common symptoms associated with DTC P1634 on a Kia may include:

• Dashboard warning light related to charging system
• Battery warning light illuminated
• Dimming or flickering lights
• Difficulty starting the vehicle

Kia DTC P1634 causes

The potential causes of DTC P1634 on a Kia include:

• Defective alternator
• Broken or loose wiring in the alternator circuit
• Faulty alternator control module
• Issues with the battery or battery connections

Kia DTC P1634 seriousness

Ignoring DTC P1634 on a Kia can lead to:

• Complete loss of electrical power
• Stranded due to a dead battery
• Potential damage to other electrical components

How to diagnose DTC P1634 on Kia

To diagnose DTC P1634 on a Kia, you can:

1. Perform a visual inspection of the alternator and wiring
2. Check the alternator output voltage
3. Test the alternator control module
4. Inspect the battery and connections

How to fix DTC P1634 on Kia

To fix DTC P1634 on a Kia, you may need to:

1. Replace the alternator if it is faulty
2. Repair or replace any damaged wiring in the alternator circuit
3. Replace the alternator control module if necessary
4. Ensure the battery and connections are in good condition

How to erase DTC P1634 on Kia

To erase DTC P1634 on a Kia, you can:

1. Use an OBD-II scanner to clear the fault codes
2. Fix the underlying issue causing the fault code
3. Perform a test drive to ensure the code does not return