DTC U103C Dodge

Master Cylinder Pressure Sensor Malfunction

Master Cylinder Pressure Sensor Malfunction

Description

When any of the following conditions is detected: 1. All of the following conditions continue for at least 30 seconds. The vehicle speed is more than 7 km h (4 mph). The PM C1 terminal voltage exceeds 0.86 V. The master cylinder pressure does not change by more than 0.048 MPa (0.5 kgf cm2, 7.0 psi). 2. The PM C1 terminal receives interference at least 7 times within 5 seconds. 3. Both of the following conditions continue for at least 1.2 seconds. The stop light switch is off. The PM C1 terminal voltage is higher than 0.86 V or below 0.3 V. 4. Both of the following conditions continue for at least 1.2 seconds. The VM C1 terminal voltage is between 4.4 and 5.6 V. The PM C1 terminal voltage is not between 0.19 and 4.57 V.

Cause and Solution

Master cylinder pressure sensor Stop light switch Harness or connector Master cylinder solenoid

Video Guide

Duration: PT4M45S | Uploaded: 2020-08-20

Diagnostic Info

  • DTC Code: U103C
  • Brand: Dodge
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