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.
2021 Infiniti Q60 Luxe, AWDFACTORY OEM SERVICE PROCEDURE
Engine Control System (DTCS) (5 Of 7)
- DTC Index
- Engine (ECM)
- DTC P1234: TP Sensor
- DTC P1235: TP Sensor
- DTC P1236: Throttle Control Motor
- DTC P1238: Electric Throttle Control Actuator
- DTC P1239: TP Sensor
- DTC P1290: Throttle Control Motor Relay
- DTC P1334: TC System
- DTC P14A2: Charge Air Cooler Cooling Electric Water Pump 2
- DTC P14A3: Charge Air Cooler Cooling Electric Water Pump 2
- DTC P14A4: Charge Air Cooler Cooling Electric Water Pump 1
- DTC P14A5: Charge Air Cooler Cooling Electric Water Pump 1
- DTC P14A6: Charge Air Cooler Cooling Electric Water Pump 1
- DTC P14A7: Charge Air Cooler Cooling Electric Water Pump 1
- DTC P14A8: Charge Air Cooler Cooling Electric Water Pump 1
- DTC P14A9: Charge Air Cooler Cooling Electric Water Pump 1
- DTC P14AA: Charge Air Cooler Cooling Electric Water Pump 1
- DTC P14AC: Charge Air Cooler Cooling Electric Water Pump 1
- DTC P14AD: Charge Air Cooler Cooling Electric Water Pump 2
- DTC P14AF: Charge Air Cooler Cooling Electric Water Pump 2
- DTC P14AE: Charge Air Cooler Cooling Electric Water Pump 2
- DTC P14B0: Charge Air Cooler Cooling Electric Water Pump 2
- DTC P14B1: Charge Air Cooler Cooling Electric Water Pump 2
- DTC P14B2: Charge Air Cooler Cooling Electric Water Pump 2
- DTC P14B3: Charge Air Cooler Cooling Electric Water Pump 2
- DTC P14B5: Charge Air Cooler Cooling Electric Water Pump 2
- DTC P1550: Battery Current Sensor
- DTC P1551: Battery Current Sensor
- DTC P1552: Battery Current Sensor
- DTC P1553: Battery Current Sensor
- DTC P1554: Battery Current Sensor
- DTC P1556: Battery Temperature Sensor
- DTC P1557: Battery Temperature Sensor
- DTC P1564: ASCD Steering Switch
- DTC P1564: ICC Steering Switch
- DTC P1568: ICC Function
- DTC P1572: Brake Pedal Position Switch
- DTC P1574: ASCD Vehicle Speed Sensor
- DTC P1574: ICC Vehicle Speed Sensor
- DTC P1575: Brake Switch
- DTC P159F: Active Grille Shutter
- DTC P1603: ECM
- DTC P1805: Brake Switch
- DTC P2096: A/F Sensor 1
- DTC P2097: A/F Sensor 1
- DTC P2098: A/F Sensor 1
- DTC P2099: A/F Sensor 1
- DTC P2100: Throttle Control Motor Relay
Factory Service Tools
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
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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.