Altima 2007-2009

3.5L V6 VIN - Std 14

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Trouble Code: P0B42-123



Hybrid Battery Voltage Sensor "B" Circuit Low

Possible Causes:



Battery smart unit
 
HV battery
 

Trouble Code: P0B47-123



Hybrid Battery Voltage Sensor "C" Circuit Low

Possible Causes:



Battery smart unit
 
HV battery
 

Trouble Code: P0B4C-123



Hybrid Battery Voltage Sensor "D" Circuit Low

Possible Causes:



Battery smart unit
 
HV battery
 

Trouble Code: P0B51-123



Hybrid Battery Voltage Sensor "E" Circuit Low

Possible Causes:



Battery smart unit
 
HV battery
 

Trouble Code: P0B56-123



Hybrid Battery Voltage Sensor "F" Circuit Low

Possible Causes:



Battery smart unit
 
HV battery
 

Trouble Code: P0B5B-123



Hybrid Battery Voltage Sensor "G" Circuit Low

Possible Causes:



Battery smart unit
 
HV battery
 

Trouble Code: P0B60-123



Hybrid Battery Voltage Sensor "H" Circuit Low

Possible Causes:



Battery smart unit
 
HV battery
 

Trouble Code: P0B65-123



Hybrid Battery Voltage Sensor "I" Circuit Low

Possible Causes:



Battery smart unit
 
HV battery
 

Trouble Code: P0B6A-123



Hybrid Battery Voltage Sensor "J" Circuit Low

Possible Causes:



Battery smart unit
 
HV battery
 

Trouble Code: P0B6F-123



Hybrid Battery Voltage Sensor "K" Circuit Low

Possible Causes:



Battery smart unit
 
HV battery
 

Trouble Code: P0B74-123



Hybrid Battery Voltage Sensor "L" Circuit Low

Possible Causes:



Battery smart unit
 
HV battery
 

Trouble Code: P0B79-123



Hybrid Battery Voltage Sensor "M" Circuit Low

Possible Causes:



Battery smart unit
 
HV battery
 

Trouble Code: P0B7E-123



Hybrid Battery Voltage Sensor "N" Circuit Low

Possible Causes:



Battery smart unit
 
HV battery
 

Trouble Code: P0B83-123



Hybrid Battery Voltage Sensor "O" Circuit Low

Possible Causes:



Battery smart unit
 
HV battery
 

Trouble Code: P0B88-123



Hybrid Battery Voltage Sensor "P" Circuit Low

Possible Causes:



Battery smart unit
 
HV battery
 

Trouble Code: P0B8D-123



Hybrid Battery Voltage Sensor "Q" Circuit Low

Possible Causes:



Battery smart unit
 
HV battery
 

Trouble Code: P0B92-123



Hybrid Battery Voltage Sensor "R" Circuit Low

Possible Causes:



Battery smart unit
 
HV battery
 

Trouble Code: P1148



Closed Loop Control Function (Includes Hybrid Models)

Possible Causes:



Harness or connectors
 
- Air fuel ratio (A/F) sensor (sensor 1 on V6 and V8) circuit is open or shorted.
 
Air fuel ratio (A/F) sensor (sensor 1 on V6 and V8)
 
Air fuel ratio (A/F) sensor (sensor 1 on V6 and V8) heater
 

Trouble Code: P1168



Closed Loop Control Function (Bank 2)

Possible Causes:



Harness or connectors
 
- Air fuel ratio (A/F) sensor 1 or 2 circuit is open or shorted.
 
Air fuel ratio (A/F) sensor 1 or 2
 
Air fuel ratio (A/F) sensor 1 or 2 heater
 

Trouble Code: P1186



LF Seat Belt Pre-Tensioner Circuit Open

Possible Causes:



1. Visually check the wiring harness connection.
 
2. Replace the harness if it has visible damage.
 
3. Replace the front LH seat belt pre-tensioner.
 
4. Replace the air bag diagnosis sensor unit.
 
5. Replace the related harness.
 

Trouble Code: P1187



LF Seat Belt Pre-Tensioner Circuit Short

Possible Causes:



1. Visually check the wiring harness connection.
 
2. Replace the harness if it has visible damage.
 
3. Replace the front LH seat belt pre-tensioner.
 
4. Replace the air bag diagnosis sensor unit.
 
5. Replace the related harness.
 

Trouble Code: P1188



LF Seat Belt Pre-Tensioner Circuit Short

Possible Causes:



1. Visually check the wiring harness connection.
 
2. Replace the harness if it has visible damage.
 
3. Replace the front LH seat belt pre-tensioner.
 
4. Replace the air bag diagnosis sensor unit.
 
5. Replace the related harness.
 

Trouble Code: P1189



LF Seat Belt Pre-Tensioner Circuit Short

Possible Causes:



1. Visually check the wiring harness connection.
 
2. Replace the harness if it has visible damage.
 
3. Replace the front LH seat belt pre-tensioner.
 
4. Replace the air bag diagnosis sensor unit.
 
5. Replace the related harness.
 

Trouble Code: P1217



Engine Over Temperature (Overheat) (Includes Hybrid Models)

Possible Causes:



Harness or connectors
 
- Cooling fan circuit is open or shorted.
 
Cooling fan motor
 
IPDM E/R (cooling fan relays-1, -2 and -3)
 
Cooling fan relays-4 and -5
 
Radiator hose
 
Radiator
 
Reservoir tank
 
Radiator cap
 
Water pump
 
Thermostat
 

Trouble Code: P1225



Closed Throttle Position Learning Performance (Includes Hybrid Models)

Possible Causes:



Electric throttle control actuator (TP sensor 1 and 2)
 

Trouble Code: P1226



Closed Throttle Position Learning Performance (Includes Hybrid Models)

Possible Causes:



Electric throttle control actuator (TP sensor 1 and 2)
 

Trouble Code: P1421



Cold Start Emission Reduction Strategy Monitoriing (Includes Hybrid Models)

Possible Causes:



Lack of intake air volume
 
Fuel injection system
 
ECM
 

Trouble Code: P1564



ASCD Steering Switch Malfunction (Includes Hybrid Models)

Possible Causes:



Harness or connectors
 
- ASCD switch circuit is open or shorted.
 
ASCD steering switch
 
ECM
 

Trouble Code: P1572



ACSD Brake Switch Malfunction (Includes Hybrid Models)

Possible Causes:



Stop lamp switch circuit is shorted.
 
ASCD brake switch circuit is shorted.
 
ASCD clutch switch circuit is shorted (M/T).
 
Stop lamp switch
 
ASCD brake switch
 
ASCD clutch switch (M/T)
 
Incorrect stop lamp switch installation
 
Incorrect ASCD brake switch installation
 
Incorrect ASCD clutch switch installation (M/T)
 
ECM
 

Trouble Code: P1574



ASCD Vehicle Speed Sensor Malfunction (Includes Hybrid Models)

Possible Causes:



Harness or connectors
 
- CAN communication line is open or shorted.
 
- Combination meter circuit is open or shorted.
 
TCM (CVT models)
 
Unified meter and A/C amp.
 
Combination meter
 
ABS actuator and electric unit (control unit)
 
ECM
 

Trouble Code: P1610



NATS Antenna Amp. or Lock Mode

Possible Causes:



Harness or connectors
 
- The key slot circuit is open or shorted
 
Key slot
 
BCM
 

Trouble Code: P1611



ID Discord -- IMMU-ECM

Possible Causes:



BCM
 
ECM
 

Trouble Code: P1612



Chain of ECM-IMMU

Possible Causes:



Harness or connectors
 
- The CAN communication line is open or shorted
 
BCM
 
ECM
 

Trouble Code: P1615



Difference of Key

Possible Causes:



Intelligent Key or Mechanical Key
 
BCM
 

Trouble Code: P1715



Input Speed Sensor (Primary Speed Sensor/TCM Output)

Possible Causes:



Harness or connectors
 
- CAN communication line is open or shorted
 
- Primary speed sensor circuit is open or shorted
 
TCM
 

Trouble Code: P1726



Throttle Control Signal Circuit

Possible Causes:



Harness or connectors
 
- Sensor circuit is open or shorted.
 

Trouble Code: P1805



Brake Switch Signal Malfunction (Includes Hybrid Models)

Possible Causes:



Harness or connectors
 
- Stop lamp switch circuit is open or shorted.
 
Stop lamp switch
 

Trouble Code: P2100



Throttle Control Motor Relay Circuit is Open (Includes Hybrid Models)

Possible Causes:



Harness or connectors
 
- Throttle control motor relay circuit is open.
 
Throttle control motor relay
 

Trouble Code: P2101



Electric Throttle Control Performance (Includes Hybrid Models)

Possible Causes:



Harness or connectors
 
- Throttle control motor circuit is open or shorted
 
Electric throttle control actuator
 

Trouble Code: P2103



Throttle Control Motor Relay Circuit is Short (Includes Hybrid Models)

Possible Causes:



Harness or connectors
 
- Throttle control motor relay circuit is shorted
 
Throttle control motor relay
 

 
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