Suzuki Aerio, Verona 2002-06

2.0L I4 VIN 4 Auto 2

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Trouble Code: P0447



EVAP Vent Control Solenoid Circuit Low Input

Possible Causes:



Vent control solenoid connector is open or shorted to ground
 
Vent control solenoid circuit is open or shorted to ground
 
Vent control solenoid is damaged or it has failed
 
PCM has failed
 

Trouble Code: P0448



EVAP Vent Control Solenoid Circuit High Input

Possible Causes:



Vent control solenoid connector is damaged (shorted to power)
 
Vent control solenoid circuit is shorted to power
 
Vent control solenoid is damaged or it has failed
 
PCM has failed
 

Trouble Code: P0451



EVAP Tank Pressure Sensor Signal Range/Performance

Possible Causes:



EVAP canister is dirty or severely restricted
 
EVAP air suction filter is dirty or its passage is clogged
 
Fuel vapor passage is clogged between tank and the canister
 
Tank pressure sensor connector is damaged or loose
 
Tank pressure sensor circuit is open or shorted to ground
 
Tank pressure sensor is damaged or has failed
 
PCM has failed
 

Trouble Code: P0452



EVAP Tank Pressure Sensor Circuit Low Input

Possible Causes:



Tank pressure sensor connector is damaged or shorted
 
Tank pressure sensor circuit is shorted to ground
 
Tank pressure sensor is damaged or has failed
 
PCM has failed
 

Trouble Code: P0453



EVAP Tank Pressure Sensor Circuit High Input

Possible Causes:



Tank pressure sensor connector is damaged or loose
 
Tank pressure sensor circuit is open or shorted to VREF
 
Tank pressure sensor is damaged or has failed
 
PCM has failed
 

Trouble Code: P0455



EVAP System Large Leak (0.080") Detected

Possible Causes:



EVAP charcoal canister is loaded with fuel or moisture
 
EVAP canister air valve has failed, or its circuit is shorted
 
Fuel tank cap is missing, leaking or the wrong part number
 
Fuel tank is cracked (leaking), or a leak exists in the 'O' ring
 
Fuel level sensor is damaged or has failed
 
Fuel pressure control valve is damaged or its circuit is shorted
 
Fuel pressure sensor is damaged or has failed
 
Fuel vapor line(s), fuel pipes or hoses are damaged or leaking
 
PCM has failed
 

Trouble Code: P0461



Fuel Level Sensor Signal Range/Performance

Possible Causes:



Fuel gauge is the wrong part number or installed incorrectly
 
Fuel gauge sender unit is damaged or has failed
 
Fuel level meter is damaged or has failed
 
Fuel tank empty or overfull (fuel sender is stuck mechanically)
 
PCM has failed
 

Trouble Code: P0463



Fuel Level Sensor Circuit High Input

Possible Causes:



Combination meter is damaged or has failed
 
Fuel level signal circuit is open (Yellow, Yellow/Red or Black/Orange wire) between the splice and the I/P connector
 
PCM has failed
 

Trouble Code: P0480



Radiator Fan Relay Control System Malfunction

Possible Causes:



Radiator fan relay connector is damaged or loose
 
Radiator fan relay control circuit is open or shorted to ground
 
Radiator fan relay power circuit is open (check the relay fuse)
 
Radiator fan relay is damaged or has failed
 
PCM has failed
 

Trouble Code: P0481



A/C Condenser Fan Relay Control System Malfunction

Possible Causes:



A/C condenser fan relay connector is damaged or loose
 
A/C condenser fan relay circuit is open or shorted to ground
 
A/C condenser fan relay is damaged or has failed
 
PCM has failed
 

Trouble Code: P0496



EVAP System Flow During Non-Purge Conditions

Possible Causes:



Canister purge solenoid control circuit (Blue/Black wire) is shorted to ground
 
Fuel level sensor is damaged or has failed
 
Fuel pressure control valve is damaged or its circuit is shorted
 
Fuel pressure sensor is damaged or has failed
 
PCM has failed
 

Trouble Code: P0500



Vehicle Speed Sensor Circuit Malfunction

Possible Causes:



Speedometer is damaged or it has failed
 
VSS circuit is open (Black/Orange or Black/White wire)
 
VSS circuit is shorted to ground (Purple or Black/White wire)
 
Vehicle speed sensor is damaged or it has failed
 
PCM has failed
 

Trouble Code: P0505



Idle Speed Control System

Possible Causes:



Fast idle control system is damaged or has failed
 
IAC valve control circuit is open or shorted to ground
 
IAC valve power circuit is open (check power from the relay)
 
IAC valve ground circuit is open
 
IAC valve is damaged or has failed
 
Intake air system is clogged or leaking
 
PCM has failed
 

Trouble Code: P0603



PCM EEPROM Memory Error

Possible Causes:



The contents of the EEPROM have changed
 
Clear the trouble codes, and recheck for the same code. If the same code resets, the PCM has failed.
 

Trouble Code: P0705



Transmission Range Sensor Circuit Malfunction

Possible Causes:



TR range switch signal is open
 
TR range switch signal shorted to another switch position signal
 
TR range switch is damaged or has failed
 
PCM has failed
 

Trouble Code: P0707



A/T Transmission Range Sensor Circuit Low Input

Possible Causes:



A/T select cable is improperly adjusted or it is damaged
 
A/T transmission range switch is maladjusted or damaged
 
A/T transmission range switch signal circuit is open or shorted
 
TCM has failed
 

Trouble Code: P0710



A/T Transmission Fluid Temperature Sensor Circuit Malfunction

Possible Causes:



TFT sensor signal circuit is open or shorted to ground
 
TFT sensor is damaged or it has failed
 
TCM has failed
 

Trouble Code: P0717



A/T Input/Turbine Shaft Speed Sensor Circuit No Signal

Possible Causes:



ISS signal circuit is open or shorted to ground
 
ISS assembly installed incorrectly or foreign material on sensor
 
TCM has failed
 

Trouble Code: P0722



A/T Output Shaft Speed Sensor Circuit No Signal

Possible Causes:



OSS signal circuit is open or shorted to ground
 
OSS assembly installed incorrectly
 
OSS assembly had foreign material on the rotor or its sensor
 
TCM has failed
 

Trouble Code: P0727



A/T Engine Speed Input Circuit No Signal

Possible Causes:



Engine speed sensor connector is damaged or loose
 
Engine speed sensor circuit is open or shorted to ground
 
Engine speed sensor is damaged or has failed
 
TCM or the PCM has failed
 

Trouble Code: P0742



TCC Solenoid Performance (Stuck On Mechanically)

Possible Causes:



A/T valve body has a mechanical failure
 
A/T fluid body is clogged or it is leaking
 
TCC solenoid has a mechanical failure
 
TCC clutch has a mechanical failure
 
PCM has failed
 

Trouble Code: P0743



Torque Converter Clutch Solenoid Circuit Malfunction

Possible Causes:



TCC solenoid connector is damaged, open or shorted
 
TCC valve control circuit is open, shorted to ground or power
 
TCC solenoid power circuit is open (check main relay & fuse)
 
TCC solenoid is damaged (solenoid resistance is 11-15 ohms)
 
PCM has failed
 

Trouble Code: P0748



A/T Pressure Control Solenoid Circuit Malfunction

Possible Causes:



Pressure controls solenoid connector is damaged or loose
 
Pressure control solenoid control circuit is open or shorted
 
Pressure control solenoid is damaged or it has failed
 
TCM has failed
 

Trouble Code: P0751



A/T Shift Solenoid 'A' System Performance (Stuck Off Mechanically)

Possible Causes:



SSA is stuck in "off" position (mechanical problem)
 
SSA is damaged is damaged or has failed (mechanical fault)
 
SSA has a hydraulic problem
 
PCM has failed
 

Trouble Code: P0752



A/T Shift Solenoid 'A' System Performance (Stuck On Mechanically)

Possible Causes:



A/T assembly has a mechanical failure
 
A/T valve body has a mechanical failure
 
A/T fluid body is clogged or it is leaking
 
SSA solenoid has a mechanical failure
 
TCC clutch has a mechanical failure
 
PCM has failed
 

Trouble Code: P0753



A/T Shift Solenoid 'A' Circuit Malfunction

Possible Causes:



SSA control circuit is open, shorted to ground or shorted to B+
 
SSA power circuit is open
 
SSA is damaged or has failed
 
PCM has failed
 

Trouble Code: P0756



A/T Shift Solenoid 'B' System Performance (Stuck Off)

Possible Causes:



SSB is stuck in "off" position (mechanical problem)
 
SSB is damaged is damaged or has failed (mechanical fault)
 
SSB has a hydraulic problem
 
PCM has failed
 

Trouble Code: P0757



A/T Shift Solenoid 'B' System Performance (Stuck On Mechanically)

Possible Causes:



A/T assembly has a mechanical failure
 
A/T valve body has a mechanical failure
 
A/T fluid body is clogged or it is leaking
 
SSB solenoid has a mechanical failure
 
PCM has failed
 

Trouble Code: P0758



A/T Shift Solenoid 'B' Circuit Malfunction

Possible Causes:



SSB connector is damaged, open or shorted
 
SSB control circuit is open or shorted to ground
 
SSB ground circuit is open, or the SSA power circuit is open
 
SSB is damaged (solenoid resistance is 11-15 ohms at 68ºF)
 
PCM has failed
 

Trouble Code: P1600



PCM/TCM Serial Communication Circuit Malfunction

Possible Causes:



TCM to PCM serial data circuit is open
 
TCM to PCM serial data circuit is shorted to ground
 
TCM or PCM has failed
 

Trouble Code: P1700



TCM Throttle Position Sensor Circuit Malfunction

Possible Causes:



TP sensor signal circuit is open between the PCM and the TCM
 
TP sensor signal circuit is shorted to ground
 
TP sensor signal circuit is shorted to VREF or system power
 
PCM or TCM has failed
 

Trouble Code: P1702



TCM Internal Module Memory Check Sum Error

Possible Causes:



Clear the trouble code, and recheck for the same code. If this same trouble code resets, substitute a known good TCM and then retest for the same code. If the same code does not reset, the original TCM is damaged or has failed.
 

Trouble Code: P1705



TCM ECT Sensor Circuit Malfunction

Possible Causes:



ECT sensor data circuit is open between the PCM and TCM
 
ECT sensor data circuit is shorted to ground
 
ECT sensor data circuit is shorted to VREF or system power
 
PCM or TCM has failed
 

Trouble Code: P1717



A/T Transmission Range Signal Circuit Malfunction

Possible Causes:



TCM data circuit to the PCM is open or shorted to ground
 
TR switch 'D', 'R', '2' or 'L' signal circuit is open
 
TCM power or ground circuit is open
 
TR switch is damaged or has failed
 
TCM or PCM has failed
 

Trouble Code: P1740



Cruise Control Signal Circuit Malfunction

Possible Causes:



Cruise control module signal circuit is open
 
Cruise control module signal circuit is shorted to ground
 
Cruise control module is damaged or has failed
 
TCM has failed
 

Trouble Code: P1875



Torque Reduction Signal Circuit Malfunction

Possible Causes:



Torque reduction signal circuit from TCM to PCM is open
 
Torque reduction signal circuit from TCM to PCM is shorted
 
TCM or PCM has failed
 

 
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