Altima 2007-2009

2.5L L4 VIN - Auto CVT 23

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Trouble Code: P1615



Difference of Key

Possible Causes:



Intelligent Key or Mechanical Key
 
BCM
 

Trouble Code: P1616



Communication Error from ECM to Distance Control ECU

Possible Causes:



Hybrid vehicle control ECU
 
Driving support ECU
 
CAN communication system
 

Trouble Code: P1617



Distance Control ECU Malfunction

Possible Causes:



Driving support ECU
 
Hybrid vehicle control ECU
 

Trouble Code: P1630



Communication Error from VSC to ECM

Possible Causes:



Brake booster with master cylinder (skid control ECU)
 
Hybrid vehicle control ECU
 
CAN communication system
 

Trouble Code: P1631



Communication Error from ECM to VSC

Possible Causes:



Hybrid vehicle control ECU
 
Brake booster with master cylinder (skid control ECU)
 
CAN communication system
 

Trouble Code: P1701



Transmission Control Module (Power Supply)

Possible Causes:



Harness or connectors (Battery or ignition switch and TCM circuit is open or shorted.)
 

Trouble Code: P1705



Throttle Position/Accelerator Pedal Position Sensor Circuit

Possible Causes:



ECM
 
Harness or connectors
 
- CAN communication line is open or shorted.
 

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: P1722



Vehicle Speed Signal Circuit

Possible Causes:



Harness or connectors (Sensor circuit is open or shorted.)
 
ABS actuator and electric unit (control unit)
 

Trouble Code: P1723



CVT Speed Sensor Circuit

Possible Causes:



Harness or connectors (Sensor circuit is open or shorted.)
 
Output speed sensor (Secondary speed sensor)
 
Input speed sensor (Primary speed sensor)
 
Engine speed signal system
 

Trouble Code: P1726



Throttle Control Signal Circuit

Possible Causes:



Harness or connectors
 
- Sensor circuit is open or shorted.
 

Trouble Code: P1740



Lock-Up Select Solenoid Valve

Possible Causes:



Harness or connectors (Solenoid circuit is open or shorted.)
 
Lock-up select solenoid valve
 

Trouble Code: P1745



Line Pressure Control

Possible Causes:



TCM has failed
 

Trouble Code: P1777



Step Motor Circuit

Possible Causes:



Step motor
 
Harness or connectors (Step motor circuit is open or shorted.)
 

Trouble Code: P1778



Step Motor Circuit Malfunction

Possible Causes:



Step motor
 

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: P181A-596



Gear Lever X Position Circuit "A" / "B" Correlation

Possible Causes:



Transmission instrument panel shift assembly
 
Hybrid vehicle control ECU
 
Wire harness or connector
 

Trouble Code: P181B-595



Gear Lever Y Position Circuit "A" / "B" Correlation

Possible Causes:



Transmission instrument panel shift assembly
 
Hybrid vehicle control ECU
 
Wire harness or connector
 

Trouble Code: P182B-577



Gear Lever X Position "B" Circuit Low

Possible Causes:



Transmission instrument panel shift assembly
 
Hybrid vehicle control ECU
 
Wire harness or connector
 

Trouble Code: P182C-578



Gear Lever X Position "B" Circuit High

Possible Causes:



Transmission instrument panel shift assembly
 
Hybrid vehicle control ECU
 
Wire harness or connector
 

Trouble Code: P182E-573



Gear Lever Y Position "B" Circuit Low

Possible Causes:



Transmission instrument panel shift assembly
 
Hybrid vehicle control ECU
 
Wire harness or connector
 

Trouble Code: P182F-574



Gear Lever Y Position "B" Circuit High

Possible Causes:



Transmission instrument panel shift assembly
 
Hybrid vehicle control ECU
 
Wire harness or connector
 

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: P2102



Throttle Actuator Control Motor Circuit Low

Possible Causes:



Open in throttle actuator circuit
 
Throttle actuator
 
Hybrid vehicle control ECU
 

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
 

Trouble Code: P2111



Throttle Actuator Control System - Stuck Open

Possible Causes:



Throttle actuator
 
Throttle body assembly
 
Throttle valve
 
Hybrid vehicle control ECU
 

Trouble Code: P2112



Throttle Actuator Control System - Stuck Closed

Possible Causes:



Throttle actuator
 
Throttle body assembly
 
Throttle valve
 
Hybrid vehicle control ECU
 

Trouble Code: P2118



Throttle Actuator Control Motor Current Range / Performance

Possible Causes:



Open in electronic throttle control system power source circuit
 
Battery
 
Battery terminals
 
ETCS fuse
 
Hybrid vehicle control ECU
 

Trouble Code: P2118



Throttle Control Motor Circuit Short (Includes Hybrid Models)

Possible Causes:



Harness or connectors
 
- Throttle control motor circuit is shorted.
 
Electric throttle control actuator (Throttle control motor)
 

Trouble Code: P2119



Throttle Actuator Control Throttle Body Range / Performance

Possible Causes:



Electronic throttle control system
 
Hybrid vehicle control ECU
 

Trouble Code: P2119



Electric Throttle Control Actuator (Includes Hybrid Models)

Possible Causes:



Electric throttle control actuator
 

Trouble Code: P2120-152



Throttle / Pedal Position Sensor / Switch "D" Circuit

Possible Causes:



Accelerator pedal sensor assembly
 
Wire harness or connector
 
Hybrid vehicle control ECU
 

Trouble Code: P2121-160



Throttle / Pedal Position Sensor / Switch "D" Circuit Range / Performance

Possible Causes:



Accelerator pedal sensor assembly
 
Wire harness or connector
 
Hybrid vehicle control ECU
 

Trouble Code: P2122



Accelerator Pedal Position Sensor 1 Circuit Low Input

Possible Causes:



Harness or connectors
 
- APP sensor 1 circuit is open or shorted.
 
Accelerator pedal position sensor 1 (APP sensor 1)
 

Trouble Code: P2122-104



Throttle / Pedal Position Sensor / Switch "D" Circuit Low Input

Possible Causes:



Accelerator pedal sensor assembly
 
Wire harness or connector
 
Hybrid vehicle control ECU
 

Trouble Code: P2123



Accelerator Pedal Position Sensor 1 Circuit High Input

Possible Causes:



Harness or connectors
 
- APP sensor 1 circuit is open or shorted.
 
Accelerator pedal position sensor 1 (APP sensor 1)
 

Trouble Code: P2123-105



Throttle / Pedal Position Sensor / Switch "D" Circuit High Input

Possible Causes:



Accelerator pedal sensor assembly
 
Wire harness or connector
 
Hybrid vehicle control ECU
 

Trouble Code: P2125-153



Throttle / Pedal Position Sensor / Switch "E" Circuit

Possible Causes:



Accelerator pedal sensor assembly
 
Wire harness or connector
 
Hybrid vehicle control ECU
 

Trouble Code: P2126-109



Throttle / Pedal Position Sensor / Switch "E" Circuit Range / Performance

Possible Causes:



Accelerator pedal sensor assembly
 
Wire harness or connector
 
Hybrid vehicle control ECU
 

 
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