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Engine-Codes - Generic - B12E0

B12E0 - Off Road Indicator Circuit

Repair Importance Level: 3/3
Repair Difficulty Level: 3/3  What is this?
Table of contents

B12E0 Possible Causes

What does this mean?
  • Faulty Off-Road Mode Switch
  • Off-Road Mode Switch harness is open or shorted
  • Off-Road Mode Switch circuit poor electrical connection
  • Faulty Transfer Case Control Module (TCCM)

How is the B12E0 code repair?

Start by checking 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's pins.

Tech Notes

What does this mean?
B12E0:11 Off Road Indicator Circuit Short to Ground
B12E0:12 Off Road Indicator Circuit Short to Battery
B12E0:13 Off Road Indicator Circuit Open

What is the cost to diagnose the B12E0 code

Labor: 1.0

The cost to diagnose the B12E0 code is 1.0 hour of labor. The auto repair labor rates vary widely across the country, and even within the same city. Most auto repairs shops charge between $75 and $150 per hour.
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Possible Symptoms

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

B12E0 Meaning

When the off-road switch is depressed, a signal is sent to the Transfer Case Control Module (TCCM) which alerts other modules along the HS-CAN that off-road mode is being requested. Other vehicle functions change to accommodate off-road mode and an indicator illuminates on the Off-Road Mode Switch confirming off-road mode. The OBDII code sets when in Off-Road Mode, the TCCM senses the indicator lamp circuit is not to factory specifications.

More Information

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Information for specific makes

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