Engine-Codes - Generic - B1252

B1252 Code - USB Port Circuit Short to Ground

- Code Popularity: 15,156 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 B1252?

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 USB Cable and Port
  • USB Cable and Port harness is open or shorted
  • USB Cable and Port circuit poor electrical connection
  • Faulty Accessory Protocol Interface Module (APIM)
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How to Fix the DTC B1252?

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 B1252 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 B1252 Code Mean?

The media hub requires an external power and ground circuit to operate. Loss of power or ground disables all media hub functionality. One USB cable connects the media hub to the Accessory Protocol Interface Module (APIM). The OBDII code sets when the APIM detects an over-current condition in the USB circuit. This can be caused by a fault in the USB cable and port, or by the customer USB device.

B1252 Code - USB Port Circuit Short to Ground

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Code B1252 Information for Specific Makes

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