Engine-Codes - RAM - B1638 RAM

B1638 RAM Code - Right High Beam Control Circuit High

- Code Popularity: 1,369 Views
- Repair Importance Level: 3/3
- Repair Difficulty Level: 3/3
Table of contents
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What are the Possible Causes of the DTC B1638 RAM?

NOTE: The causes shown may not be a complete list of all potential problems, and it is possible that there may be other causes.
  • Faulty Right High Beam Bulb
  • Right High Beam Bulb harness is open or shorted
  • Right High Beam Bulb circuit poor electrical connection
  • Faulty Front Totally Integrated Power Module (TIPM)
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How to Fix the DTC B1638 RAM?

Check the 'Possible Causes' listed above. Visually inspect the related wiring harness and connectors. Check for damaged components and look for broken, bent, pushed out, or corroded connector pins.

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What is the Cost to Diagnose the Code?

Labor: 1.0

The cost to diagnose the B1638 RAM code is 1.0 hour of labor. The diagnosis time and labor rates at auto repair shops vary depending on the location, make and model of the vehicle, and even the engine type. Most auto repair shops charge between $75 and $150 per hour.

What are Code Possible Symptoms?

  • Engine Light ON (or Service Engine Soon Warning Light)

What Does the B1638 RAM Code Mean?

The Front Totally Integrated Power Module (TIPM) monitors the Right High Beam. The TIPM sets the OBDII code when the Right High Beam is not to factory specifications.

B1638 RAM Code - Right High Beam Control Circuit High

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