Nissan Car Altima & Sentra 1999-06

1.8L I4 VIN C Auto 3

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Trouble Code: P0510



Closed Throttle Position Switch Circuit Malfunction

Possible Causes:



Closed throttle position switch signal circuit is open or grounded
 
Closed throttle position switch signal circuit is shorted to power
 
Closed throttle position switch or TP sensor damaged or failed
 
PCM has failed
 

Trouble Code: P0600



TCM (A/T) Communication Line Circuit Malfunction

Possible Causes:



TCM communication line circuit is open or shorted to ground
 
TCM communication line circuit shorted to VREF or power (B+)
 
TCM or PCM has failed
 

Trouble Code: P0605



PCM Internal Error

Possible Causes:



Clear the codes and retest for DTC P0605. If the same code resets, substitute a known good PCM and retest. If the code does not reset, the original PCM has failed.
 

Trouble Code: P0650



Malfunction Indicator Lamp Circuit Malfunction

Possible Causes:



MIL control circuit is open (high voltage condition)
 
MIL control circuit is shorted to ground (high voltage condition)\
 
PCM is damaged or has failed.
 

Trouble Code: P0705



A/T Park Neutral Position Switch Circuit Malfunction

Possible Causes:



P/N switch signal circuit is open or shorted to ground
 
P/N switch signal circuit is shorted to VREF or system power
 
P/N switch is damaged or has failed
 
PCM has failed
 

Trouble Code: P0710



Transmission Fluid Temperature Sensor Circuit Malfunction

Possible Causes:



TFT sensor signal circuit is open, shorted to ground or to VREF
 
TFT sensor is damaged or has failed
 
PCM has failed
 

Trouble Code: P0720



TCM Revolution Sensor Circuit Malfunction

Possible Causes:



Revolution sensor signal circuit is open or shorted to ground
 
Revolution sensor signal circuit shorted to VREF or power (B+)
 
Revolution sensor is damaged or has failed
 
PCM has failed
 

Trouble Code: P0725



TCM Engine Speed Signal

Possible Causes:



Engine speed signal is open or shorted to ground
 
Engine speed sensor signal shorted to VREF or power (B+)
 
Engine speed sensor is damaged or has failed
 
PCM has failed
 

Trouble Code: P0731



A/T First Gear Circuit Malfunction

Possible Causes:



Shift Solenoid 'A' is stuck in open position
 
Shift Solenoid 'B' is stuck in open position
 

Trouble Code: P0732



A/T Second Gear Circuit Malfunction

Possible Causes:



Control valve sticking or binding
 
Solenoid valve is damaged or not operating
 

Trouble Code: P0733



A/T Third Gear Circuit Malfunction

Possible Causes:



Control valve sticking, solenoid valve damaged or not operating
 
Servo piston or brake band is damaged or is not operating
 

Trouble Code: P0734



A/T Fourth Gear Circuit Malfunction

Possible Causes:



Oil pump is damaged, or the TCC is not operating
 
Shift Solenoid 'B' may be stuck closed
 

Trouble Code: P0740



A/T TCC Solenoid Circuit Malfunction

Possible Causes:



TCC solenoid control circuit open or shorted to ground
 
TCC solenoid control circuit shorted to system power (B+)
 
TCC solenoid is damaged or has failed
 
PCM has failed
 

Trouble Code: P0744



A/T Servo Valve Solenoid Circuit Malfunction

Possible Causes:



Servo valve solenoid control circuit open or shorted to ground
 
Servo valve solenoid control circuit shorted to system power
 
Servo valve solenoid is damaged or has failed
 
PCM has failed
 

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



A/T Pressure Control Solenoid 'A' Circuit Malfunction

Possible Causes:



Line pressure control system is damaged or it has failed
 
Output speed sensor (secondary speed sensor) has failed
 
Input speed sensor (primary speed sensor) has failed
 
TCM has failed
 

Trouble Code: P0750



A/T Shift Solenoid 'A' Circuit Malfunction

Possible Causes:



Shift Solenoid 'A' control circuit open or shorted to ground
 
Shift Solenoid 'A' control circuit shorted to VREF or power (B+)
 
Shift Solenoid 'A' is damaged or has failed
 
PCM has failed
 

Trouble Code: P0755



A/T Shift Solenoid 'B' Circuit Malfunction

Possible Causes:



Shift Solenoid 'B' control circuit open or shorted to ground
 
Shift Solenoid 'B' control circuit shorted to VREF or power (B+)
 
Shift Solenoid 'B' is damaged or has failed
 
PCM has failed
 

Trouble Code: P0776



A/T Shift Solenoid 'A' Circuit Malfunction

Possible Causes:



Shift Solenoid 'A' control circuit open or shorted to ground
 
Shift Solenoid 'A' control circuit shorted to VREF or power (B+)
 
Shift Solenoid 'A' is damaged or has failed
 
PCM has failed
 

Trouble Code: P0840



A/T Transmission Fluid Pressure Solenoid 'A Circuit Malfunction

Possible Causes:



Transmission solenoid 'A' circuit open or shorted to ground
 
Transmission solenoid 'A' circuit open or shorted to power (B+)
 
Transmission solenoid 'A' is damaged or has failed
 
TCM has failed
 

Trouble Code: P0845



A/T Transmission Fluid Pressure Solenoid 'B Circuit Malfunction

Possible Causes:



Transmission solenoid 'B' circuit open or shorted to ground
 
Transmission solenoid 'B' circuit open or shorted to power (B+)
 
Transmission solenoid 'B' is damaged or has failed
 
TCM has failed
 

Trouble Code: P0778



A/T Shift Solenoid 'B' Circuit Malfunction

Possible Causes:



Shift Solenoid 'B' control circuit open or shorted to ground
 
Shift Solenoid 'B' control circuit shorted to VREF or power (B+)
 
Shift Solenoid 'B' is damaged or has failed
 
PCM has failed
 

Trouble Code: P1065



PCM Backup Circuit Malfunction

Possible Causes:



PCM Backup circuit (to battery) is open or shorted to ground
 
Clear the codes and retest for DTC P1065. If the same code resets, substitute a known good PCM and retest. If the code does not reset, the original PCM has failed
 

Trouble Code: P1102



Mass Airflow Sensor Signal Range/Performance

Possible Causes:



MAF sensor connector is damaged (it may be shorted)
 
MAF sensor signal circuit is shorted
 
MAF sensor is damaged or has failed
 
PCM is damaged or has failed
 
TSB 03-035 (7/03) contains information related to this code
 

Trouble Code: P1108



Manifold Absolute Pressure Sensor Circuit Malfunction

Possible Causes:



MAP sensor signal circuit is open or shorted to ground
 
MAP sensor signal circuit is shorted to VREF or system power
 
MAP sensor is damaged or has failed
 
PCM has failed
 

Trouble Code: P1110



Intake Valve Timing Control Performance

Possible Causes:



Intake valve timing control position sensor or its circuit is open
 
Intake valve timing position control sensor is damaged or failed
 
Signal pickup portion of camshaft is contaminated with debris
 

Trouble Code: P1111



Intake Valve Timing Control Circuit Malfunction

Possible Causes:



Intake valve timing control solenoid circuit is open
 
Intake valve timing control solenoid circuit is shorted to ground
 
Intake valve timing position control solenoid is damaged/failed
 
PCM has failed
 

Trouble Code: P1121



Electronic Throttle Control Actuator Malfunction

Possible Causes:



Electronic throttle control actuator is damaged or has failed
 
Throttle return spring is damaged or has failed
 

Trouble Code: P1122



Electronic Throttle Control Actuator Malfunction

Possible Causes:



Electronic throttle control actuator connector is damaged/loose
 
Electronic throttle control actuator circuit is open or shorted
 
Electronic throttle control actuator is damaged or has failed
 

Trouble Code: P1124



Electronic Throttle Control Actuator Relay High Input

Possible Causes:



ETC Actuator relay is damaged or failed (stuck in "on" position)
 
ETC Actuator relay control circuit is shorted to ground
 
ETC Actuator is damaged or has failed
 

Trouble Code: P1126



Thermostat Malfunction (Stuck Open)

Possible Causes:



Check the operation of the thermostat (it may be stuck open)
 
Inspect for low coolant level
 
Inspect for incorrect coolant mixture
 

Trouble Code: P1128



Electronic Throttle Control Actuator Motor Circuit Malfunction

Possible Causes:



ETC Actuator motor is damaged or has failed
 
ETC Actuator motor circuits are shorted to ground (low voltage)
 

Trouble Code: P1132



Swirl Control Valve Circuit Malfunction

Possible Causes:



Swirl Control valve control circuit is open or shorted
 
Swirl Control valve control circuit is shorted to system power
 
Swirl Control valve is damaged or has failed
 
PCM has failed
 

Trouble Code: P1136



Intake Valve Timing Control Circuit Malfunction (Bank 2)

Possible Causes:



Intake valve timing control solenoid circuit is open or shorted
 
Intake valve timing position control solenoid is damaged/failed
 
PCM has failed
 

Trouble Code: P1137



Swirl Control Valve Control Position Sensor Circuit Malfunction

Possible Causes:



Swirl Control valve control position sensor open or shorted
 
Swirl Control valve control position sensor is damaged
 
Swirl Control valve control position sensor has failed
 
PCM has failed
 

Trouble Code: P1138



Swirl Control Valve Control Performance

Possible Causes:



Swirl Control valve circuit is open or shorted (intermittent fault)
 
Swirl Control valve is contaminated, damaged or has failed
 
PCM has failed
 

Trouble Code: P1140



Intake Valve Timing Control Position Sensor Circuit Malfunction (Bank 1)

Possible Causes:



Intake valve timing control position sensor open or shorted
 
Intake valve timing control position sensor is damaged
 
Intake valve timing control position sensor has failed
 
PCM has failed
 

Trouble Code: P1143



HO2S-11 (Bank 1 Sensor 1) Lean Shift Monitoring (Bank 1)

Possible Causes:



Air leaks in the intake manifold, throttle body or PCV system
 
Fuel pressure is excessively low (lean air fuel)
 
Fuel injectors restricted (one or more has a mechanical fault)
 
HO2S assembly is damaged or has failed
 
HO2S heater assembly is damaged or has failed
 

Trouble Code: P1144



HO2S-11 (Bank 1 Sensor 1) Rich Shift Monitoring (Bank 1)

Possible Causes:



Fuel pressure is excessively high (rich air fuel)
 
Fuel injector is stuck open (one or more has a mechanical fault)
 
HO2S assembly is damaged or has failed
 
HO2S heater assembly is damaged or has failed
 

Trouble Code: P1146



HO2S-12 (Bank 1 Sensor 2) Lean Shift Monitoring (Bank 1)

Possible Causes:



Air leaks in the intake manifold, throttle body or PCV system
 
Fuel pressure is excessively low (lean air fuel)
 
Fuel injectors restricted (one or more has a mechanical fault)
 
HO2S assembly is damaged or has failed
 
HO2S heater assembly is damaged or has failed
 

 
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