Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
2016 Infiniti QX50 AWDFACTORY OEM SERVICE PROCEDURE
Brake Control System DTCS
BRAKE CONTROL SYSTEM DIAGNOSTIC TROUBLE CODE (DTC) IDENTIFICATION
| DTC | Description |
|---|---|
| DTC C1101, C1102, C1103, C1104 | WHEEL SENSOR OPEN CIRCUIT |
| DTC C1105, C1106, C1107, C1108 | WHEEL SENSOR POWER SUPPLY LOW VOLTAGE |
| DTC C1109 | POWER AND GROUND SYSTEM ABNORMAL BATTERY VOLTAGE |
| DTC C1110, C1153 | ABS ACTUATOR AND ELECTRIC UNIT (CONTROL UNIT) MALFUNCTION |
| DTC C1111 | ABS PUMP MOTOR OR MOTOR RELAY MALFUNCTION |
| DTC C1115 | WHEEL SENSOR ABNORMAL SIGNAL |
| DTC C1116 | STOP LAMP SWITCH NO SIGNAL |
| DTC C1120, C1122, C1124, C1126 | ABS IN SOLENOID VALVE MALFUNCTION |
| DTC C1121, C1123, C1125, C1127 | ABS OUT SOLENOID VALVE MALFUNCTION |
| DTC C1130 | ENGINE SIGNAL 1 |
| DTC C1140 | ABS ACTUATOR RELAY MALFUNCTION |
| DTC C1142 | PRESSURE SENSOR MALFUNCTION |
| DTC C1143 | STEERING ANGLE SENSOR MALFUNCTION |
| DTC C1144 | INCOMPLETE STEERING ANGLE SENSOR ADJUSTMENT |
| DTC C1145, C1146 | YAW RATE/SIDE G SENSOR MALFUNCTION OR OPEN/SHORTED SIGNAL LINE |
| DTC C1154 | TRANSMISSION RANGE SWITCH PNP POSITION SIGNAL |
| DTC C1155 | BRAKE FLUID LEVEL SWITCH LOW FLUID SIGNAL OR OPEN CIRCUIT |
| DTC C1164, C1165 | VDC/TCS CUT VALVE MALFUNCTION (CUT VALVE 1 OR CUT VALVE 2) |
| DTC C1166, C1167 | VDC/TCS SUCTION VALVE MALFUNCTION (SUCTION VALVE 1 OR SUCTION VALVE 2) |
| DTC C1170 | ABS VARIANT CODING |
| DTC C1185 | INTELLIGENT CRUISE CONTROL SENSOR INTERNAL MALFUNCTION |
| DTC C1197 | BRAKE BOOSTER VACUUM SENSOR MALFUNCTION |
| DTC C1198 | BRAKE BOOSTER VACUUM SENSOR CIRCUIT NOISE OR OPEN/SHORT CIRCUIT |
| DTC C1199 | BRAKE BOOSTER NO VACUUM WITH ENGINE RUNNING |
| DTC C119A | BRAKE BOOSTER VACUUM SENSOR SUPPLY POWER VOLTAGE MALFUNCTION |
| DTC U1000 | CAN COMMUNICATION INTERMITTENT SIGNAL |
| DTC U1002 | COMMUNICATION MALFUNCTION BETWEEN CAN SYSTEM AND ABS ACTUATOR/ELECTRIC UNIT (CONTROL UNIT) |
| DTC U1100 | CAN COMMUNICATION CIRCUIT OR INTELLIGENT CRUISE CONTROL (ICC) CIRCUIT MALFUNCTION |
Factory Service Tools
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.