Altima 2007-2009

2.5L L4 VIN - Auto CVT 15

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Trouble Code: P0744



A/T TCC S/V Function (Lock-Up)

Possible Causes:



Harness or connectors
 
- The solenoid circuit is open or shorted.
 
Torque converter clutch solenoid valve
 
Hydraulic control circuit
 

Trouble Code: P0745



A/T Low Pressure Solenoid Circuit Malfunction

Possible Causes:



Low pressure solenoid control circuit open or shorted to ground
 
Low pressure solenoid control circuit shorted to system power
 
Low pressure solenoid is damaged or has failed
 
PCM has failed
 

Trouble Code: P0746



Pressure Control Solenoid A Performance (Stuck Off)

Possible Causes:



Line pressure control system
 
Output speed sensor (Secondary speed sensor)
 
Input speed sensor (Primary speed sensor)
 

Trouble Code: P0776



Pressure Control Solenoid B Performance (Stuck Off)

Possible Causes:



Harness or connectors
 
- Solenoid circuit is open or shorted.
 
Pressure control solenoid valve B (Secondary pressure solenoid valve system)
 
Transmission fluid pressure sensor A (Secondary pressure sensor)
 
Line pressure control system
 

Trouble Code: P0778



Pressure Control Solenoid B Electrical

Possible Causes:



Harness or connectors (Solenoid circuit is open or shorted.)
 
Pressure control solenoid valve B (Secondary pressure solenoid valve)
 

Trouble Code: P0826



Manual Mode Switch (Up/Down Shift Switch) Circuit

Possible Causes:



Harness, switches or connectors are open or shorted:
 
- TCM
 
- Combination meter circuit
 
- CAN communication line
 
- Manual mode select switch.
 
- Manual mode position select switch.
 

Trouble Code: P082B-575



Gear Lever X Position Circuit Low

Possible Causes:



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

Trouble Code: P082C-576



Gear Lever X Position Circuit High

Possible Causes:



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

Trouble Code: P082E-571



Gear Lever Y Position Circuit Low

Possible Causes:



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

Trouble Code: P082F-572



Gear Lever Y Position Circuit High

Possible Causes:



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

Trouble Code: P0840



Transmission Fluid Pressure Sensor/Switch A Circuit

Possible Causes:



Transmission fluid pressure sensor A (Secondary pressure sensor)
 
Harness or connectors (Switch circuit is open or shorted.)
 

Trouble Code: P0841



Transmission Fluid Pressure Sensor/Switch A Circuit Range/Performance

Possible Causes:



Transmission fluid pressure sensor A (Secondary pressure sensor)
 
Harness or connectors (Sensor circuit is open or shorted.)
 

Trouble Code: P0845



Transmission Fluid Pressure Sensor/Switch B Circuit

Possible Causes:



Harness or connectors
 
- Sensor circuit is open or shorted.
 
Primary pressure sensor
 

Trouble Code: P0850



Park/Neutral Position Switch

Possible Causes:



Harness or connectors
 
- Park/neutral position (PNP) switch circuit is open or shorted.
 
Park/neutral position (PNP) switch
 

Trouble Code: P0851-579



Park / Neutral Switch Input Circuit Low

Possible Causes:



P position switch (Transmission shift main switch)
 
Wire harness or connector
 
Hybrid vehicle control ECU
 

Trouble Code: P0851-775



Neutral Signal Input Circuit Low

Possible Causes:



Wire harness or connector
 
Transmission range switch
 
Hybrid vehicle control ECU
 

Trouble Code: P0852-580



Park / Neutral Switch Input Circuit High

Possible Causes:



P position switch (Transmission shift main switch)
 
Wire harness or connector
 
Hybrid vehicle control ECU
 

Trouble Code: P085D-582



Gear Shift Control Module "A" Performance

Possible Causes:



Wire harness or connector
 
Transmission control ECU assembly
 
Hybrid vehicle control ECU
 
Power Management control ECU
 

Trouble Code: P085D-599



Gear Shift Control Module "A" Performance

Possible Causes:



Wire harness or connector
 
Transmission control ECU assembly
 
Hybrid vehicle control ECU
 
Power Management control ECU
 

Trouble Code: P0861-597



Gear Shift Control Module "A" Communication Circuit Low

Possible Causes:



Wire harness or connector
 
Transmission control ECU assembly
 
Hybrid vehicle control ECU
 
Power Management control ECU
 

Trouble Code: P0862-598



Gear Shift Control Module "A" Communication Circuit High

Possible Causes:



Wire harness or connector
 
Transmission control ECU assembly
 
Hybrid vehicle control ECU
 
Power Management control ECU
 

Trouble Code: P0868



Secondary Pressure Down (Fluid Pressure Low)

Possible Causes:



Harness or connectors
 
- Solenoid circuit is open or shorted.
 
Pressure control solenoid valve B (Secondary pressure solenoid valve) system
 
Transmission fluid pressure sensor A (Secondary pressure sensor)
 
Line pressure control system
 

Trouble Code: P0A01-725



Motor Electronics Coolant Temperature Sensor Circuit Range / Performance

Possible Causes:



Inverter cooling system
 
Cooling fan system
 
Inverter with converter assembly
 
Wire harness or connector
 
Water pump with motor assembly
 
Hybrid vehicle control ECU
 
IGCT No. 3 fuse
 

Trouble Code: P0A01-725



Motor Electronics Coolant Temperature Sensor Circuit Range/Performance

Possible Causes:



Wire harness or connector
 
Inverter cooling system
 
Cooling fan system
 
Water pump with motor & bracket assembly
 
Inverter with converter assembly
 
Hybrid vehicle control ECU
 

Trouble Code: P0A01-726



Motor Electronics Coolant Temperature Sensor Circuit Range / Performance

Possible Causes:



Inverter cooling system
 
Cooling fan system
 
Inverter with converter assembly
 
Wire harness or connector
 
Water pump with motor assembly
 
Hybrid vehicle control ECU
 
IGCT No. 3 fuse
 

Trouble Code: P0A01-726



Motor Electronics Coolant Temperature Sensor Circuit Range/Performance

Possible Causes:



Wire harness or connector
 
Inverter cooling system
 
Cooling fan system
 
Water pump with motor & bracket assembly
 
Inverter with converter assembly
 
Hybrid vehicle control ECU
 

Trouble Code: P0A02-719



Motor Electronics Coolant Temperature Sensor Circuit Low

Possible Causes:



Inverter with Converter Assembly
 

Trouble Code: P0A02-719



Motor Electronics Coolant Temperature Sensor Circuit Low

Possible Causes:



Inverter with converter assembly
 

Trouble Code: P0A02-720



Motor Electronics Coolant Temperature Sensor Circuit High

Possible Causes:



Inverter with Converter Assembly
 

Trouble Code: P0A03-720



Motor Electronics Coolant Temperature Sensor Circuit High

Possible Causes:



Inverter with converter assembly
 

Trouble Code: P0A08/101



DC / DC Converter Status Circuit

Possible Causes:



Duct
 
Hybrid vehicle converter (DC/DC converter)
 
Auxiliary battery
 

Trouble Code: P0A08/264



DC / DC Converter Status Circuit

Possible Causes:



Wire harness or connector
 
Fusible link or fuse
 
Frame wire
 
Hybrid vehicle converter (DC/DC connector)
 
Hybrid vehicle control ECU
 

Trouble Code: P0A08-101



DC / DC Converter Status Circuit

Possible Causes:



Rear seat side garnish LH
 
Duct
 
Hybrid vehicle converter
 
Auxiliary battery
 

Trouble Code: P0A08-264



DC / DC Converter Status Circuit

Possible Causes:



Electric vehicle fuse (DC/DC)
 
Wire harness or connector
 
Hybrid vehicle converter
 
Hybrid vehicle control ECU
 
Frame wire
 
Fusible link (DC/DC)
 
Fusible link block assembly (MAIN)
 
Rear seat side garnish LH
 
Duct
 

Trouble Code: P0A09-265



DC / DC Converter Status Circuit Low Input

Possible Causes:



Wire harness or connector
 
Hybrid vehicle control ECU
 
Hybrid vehicle converter (DC/DC converter)
 

Trouble Code: P0A09-591



DC / DC Converter Status Circuit Low Input

Possible Causes:



Hybrid vehicle control ECU
 
Wire harness or connector
 
Hybrid vehicle converter (DC/DC converter)
 

Trouble Code: P0A0D/350



High Voltage System Inter-Lock Circuit High

Possible Causes:



Wire harness or connector
 
Hybrid vehicle control ECU
 
Service plug grip
 
Inverter with converter assembly
 
Air conditioning harness assembly
 

Trouble Code: P0A0D-350



High Voltage System Inter-Lock Circuit High

Possible Causes:



Wire harness or connector
 
Hybrid vehicle control ECU
 
Service plug grip
 
Inverter with converter assembly
 
No. 2 engine wire
 

Trouble Code: P0A0D-351



High Voltage System Inter-Lock Circuit High

Possible Causes:



Wire harness or connector
 
Hybrid vehicle control ECU
 
Service plug grip
 
Inverter with converter assembly
 
No. 2 engine wire
 

Trouble Code: P0A0F/238



Engine Failed to Start

Possible Causes:



Engine
 
Hybrid vehicle transaxle assembly (shaft, gear)
 
Transmission input damper
 
Wire harness or connector
 
Hybrid vehicle control ECU
 

 
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