Possible causes – Leaking or stuck open thermostat– Low engine coolant level– Insufficient warm up time– Faulty engine coolant temperature sensor– Engine coolant temperature sensor harness is open or shorted– Engine coolant temperature sensor circuit poor electrical connection Tech description If cooling system is not leaking and the fluid level is OK, replacing the thermostat…
Tag: INFINITI
P0560 INFINITI System Voltage Malfunction
Possible causes – Low battery charge– Battery defective– Loose or missing alternator drive belt– Faulty alternator– Open or short system voltage circuit Tech description Start by recharging or replacing the battery. When is the obd code mean? The P0560 code is detected when the Engine Control Module (ECM) voltage out of range. Symptoms – Engine…
C1155 INFINITI Brake Fluid Level Low
Possible causes – Low brake fluid level at the reservoir– Faulty brake fluid level sensor When is the obd code mean? Brake fluid level is low or communication line between the ABS actuator and electric unit (control unit) and brake fluid level switch is open or shorted. Symptoms – ABS light ON– Brake light ON…
U1010 INFINITI CAN Communication Bus – Signal Malfunction
Possible causes – Harness or connectors (CAN communication line is open or shorted) – Faulty Engine Control Module (ECM) Tech description There is a service bulletin for the following Infiniti models with U1010 code: 2002-2004 Infiniti I35 2002-2006 Infiniti Q45 2004-2006 Infiniti QX56 2003-2006 Infiniti FX 2003-2006 Infiniti G35 2003-2004 Infiniti M45 2006 Infiniti M…
U1001 INFINITI Invalid or Missing Data for Primary Id
Possible causes – Harness or connectors (CAN communication line is open or shorted)– ECM When is the obd code mean? When ECM is not transmitting or receiving CAN communication signal of OBD (emission related diagnosis) for 2 seconds or more. Symptoms – Engine Light ON (or Service Engine Soon Warning Light) U1001 INFINITI OBD Code…
P1574 INFINITI ASCD Vehicle Speed Sensor
Possible causes – Harness or connectors of the Communication Are Network (CAN) communication line is open or shorted– Combination meter circuit is open or shorted– Faulty Combination meter– Faulty Vehicle speed sensor– Faulty Transmission Control Module When is the obd code mean? ECM detects a difference between two vehicle speed signals is out of the…
P0052 INFINITI HO2S21 Heater Control Circuit High
Possible causes – Heated Oxygen Sensor (H2OS) Bank 2 Sensor 1 harness is open shorted to ground– Heated Oxygen Sensor (H2OS) Bank 2 Sensor 1 circuit poor electrical connection– Faulty Heated Oxygen Sensor (H2OS) Bank 2 Sensor 1– Heated Oxygen Sensor (H2OS) Bank 2 Sensor 1 circuit fuse– Faulty Engine Control Module (ECM) When is…
P0505 2000 INFINITI I30 Idle Air Control Valve
Possible causes – Improper idle speed– The IACV-AAC valve harness is open or shorted– The IACV-AAC valve circuit poor electrical connection– Faulty IACV-AAC valve– Faulty Engine Control Module (ECM) Tech description P0505 Ecm IAC issue 2000 & 2001 I30 Part 1 P0505 Ecm IAC issue 2000 & 2001 I30 Part 2 P0505 Ecm IAC issue…
P0505 2001 INFINITI I30 Idle Air Control Valve
Possible causes – Improper idle speed– The IACV-AAC valve harness is open or shorted– The IACV-AAC valve circuit poor electrical connection– Faulty IACV-AAC valve– Faulty Engine Control Module (ECM) Tech description P0505 Ecm IAC issue 2000 & 2001 I30 Part 1 P0505 Ecm IAC issue 2000 & 2001 I30 Part 2 P0505 Ecm IAC issue…
P0505 INFINITI Idle Air Control Valve
Possible causes – Improper idle speed– The IACV-AAC valve harness is open or shorted– The IACV-AAC valve circuit poor electrical connection– Faulty IACV-AAC valve– Faulty Engine Control Module (ECM) Tech description P0505 Ecm IAC issue 2000 & 2001 I30 Part 1 P0505 Ecm IAC issue 2000 & 2001 I30 Part 2 P0505 Ecm IAC issue…