Suzuki Grand Vitara JB627. Manual - part 22

1A-37 Engine General Information and Diagnosis: 

)

 P2239

O2 Sensor Positive Current 
Control Circuit High (Bank 1 
Sensor 1)

Circuit voltage of A/F sensor (+) terminal is 
higher than 3.5 V with engine running

1 driving 

cycle

1 driving 

cycle

)

 P2240

O2 Sensor Positive Current 
Control Circuit / Open (Bank 2 
Sensor 1)

Impedance of A/F sensor element is 
higher than 250 

Ω for more than 5 sec 

even though A/F sensor heater is turned 
ON with engine running.

1 driving 

cycle

1 driving 

cycle

)

 P2241

O2 Sensor Positive Current 
Control Circuit Low (Bank 2 
Sensor 1)

Circuit voltage of A/F sensor (+) terminal is 
lower than 0.4 V or A/F sensor circuit is 
shorted between (+) terminal wire and (–) 
terminal wire with engine running.

1 driving 

cycle

1 driving 

cycle

)

 P2242

O2 Sensor Positive Current 
Control Circuit High (Bank 2 
Sensor 1)

Circuit voltage of A/F sensor (+) terminal is 
higher than 3.5 V with engine running.

1 driving 

cycle

1 driving 

cycle

)

 P2252

O2 Sensor Negative Current 
Control Circuit Low (Bank 1 
Sensor 1)

Circuit voltage of A/F sensor (–) terminal is 
lower than 0.4 V with engine running.

1 driving 

cycle

1 driving 

cycle

)

 P2253

O2 Sensor Negative Current 
Control Circuit High (Bank 1 
Sensor 1)

Circuit voltage of A/F sensor (–) terminal is 
higher than 3.5 V with engine running.

1 driving 

cycle

1 driving 

cycle

)

 P2255

O2 Sensor Negative Current 
Control Circuit Low (Bank 2 
Sensor 1)

Circuit voltage of A/F sensor (–) terminal is 
lower than 0.4 V with engine running.

1 driving 

cycle

1 driving 

cycle

)

 P2256

O2 Sensor Negative Current 
Control Circuit High (Bank 2 
Sensor 1)

Circuit voltage of A/F sensor (–) terminal is 
higher than 3.5 V with engine running.

1 driving 

cycle

1 driving 

cycle

)

 P2627

O2 Sensor Pumping Current 
Trim Circuit Low (Bank 1 Sensor 
1)

Output voltage of A/F sensor adjusting 
resister is less than 0.1 V for more than 4 
sec continuously with engine running.

1 driving 

cycle

1 driving 

cycle

)

 P2628

O2 Sensor Pumping Current 
Trim Circuit High (Bank 1 Sensor 
1)

Output voltage of A/F sensor adjusting 
resister is more than 5 V for more than 4 
sec continuously with engine running.

1 driving 

cycle

1 driving 

cycle

)

 P2630

O2 Sensor Pumping Current 
Trim Circuit Low (Bank 2 Sensor 
1)

Output voltage of A/F sensor adjusting 
resister is less than 0.1 V for more than 4 
sec continuously with engine running.

1 driving 

cycle

1 driving 

cycle

)

 P2631

O2 Sensor Pumping Current 
Trim Circuit High (Bank 2 Sensor 
1)

Output voltage of A/F sensor adjusting 
resister is more than 5 V for more than 4 
sec continuously with engine running.

1 driving 

cycle

1 driving 

cycle

)

 P2A00

O2 Sensor Circuit Range/
Performance (Bank 1 Sensor 1)

Amplitude index of A/F sensor signal 
between rich and lean is more than 1.3 or 
less than 0.7 while A/F (fuel trim) is shifted 
from rich to lean and lean to rich with 
specified diagnosis frequency under 
specified running.

2 driving 

cycles

2 driving 

cycles

)

 P2A01

O2 Sensor Circuit Range/
Performance (Bank 1 Sensor 2)

Circuit voltage of HO2S (bank-1) signal is 
less than 0.35 V while A/F (fuel trim) is 
shifted from rich to lean and lean to rich 
with specified diagnosis frequency under 
specified running, or Circuit voltage of 
HO2S (bank-1) signal is more than 0.2 V 
for more than 4 sec even though vehicle is 
running with fuel cut mode below 4000 
rpm.

2 driving 

cycles

2 driving 

cycles

DTC No.

Detected item

Detecting condition 

(DTC will set when detecting:)

DTC

MIL

Engine General Information and Diagnosis:  1A-38

NOTE
MIL blinks or lights up. Refer to “DTC P0300/P0301/P0302/P0303/P0304/P0305/P0306: Random Misfire/
Cylinder 1 Misfire/Cylinder 2 Misfire/Cylinder 3 Misfire/Cylinder 4 Misfire/Cylinder 5 Misfire/Cylinder 6 
Misfire Detected” for details.

 

)

 P2A03

O2 Sensor Circuit Range/
Performance (Bank 2 Sensor 1)

Amplitude index of A/F sensor signal 
between rich and lean is more than 1.3 or 
less than 0.7 while A/F (fuel trim) is shifted 
from rich to lean and lean to rich with 
specified diagnosis frequency under 
specified running.

2 driving 

cycles

2 driving 

cycles

)

P2A04

O2 Sensor Circuit Range/
Performance (Bank 2 Sensor 2)

Circuit voltage of HO2S (bank-2) signal is 
less than 0.35 V while A/F (fuel trim) is 
shifted from rich to lean and lean to rich 
with specified diagnosis frequency under 
specified running, or Circuit voltage of 
HO2S (bank-2) signal is more than 0.2 V 
for more than 4 sec even though vehicle is 
running with fuel cut mode below 4000 
rpm.

2 driving 

cycles

2 driving 

cycles

)

 U0073

Control Module Communication 
Bus Off

Transmission error that is inconsistent 
between transmission data and 
transmission monitor (CAN bus monitor) 
data is detected more than 7 times 
continuously.

1 driving 

cycle

Not 

applicable

)

 U0101 Lost Communication with TCM

Reception error of communication data for 
TCM is detected for longer than specified 
time continuously.

1 driving 

cycle

1 driving 

cycle

)

 U0121

Lost Communication With 
Electronic Stability Program / 
ABS Control Module

Reception error of communication data for 
ABS or ESP

® control module is detected 

for longer than specified time continuously.

1 driving 

cycle

1 driving 

cycle

)

 U0140

Lost Communication With Body 
Control Module

Reception error of communication data for 
BCM is detected for longer than specified 
time continuously.

1 driving 

cycle

Not 

applicable

P1614

Transponder Response Error

Refer to “Diagnostic Trouble Code (DTC) Table in Section 10C”.

P1615

ID Code Does Not Registered 
(Vehicle Equipped with Keyless 
Start System Only)

P1616

Different Registration ID Codes 
(Vehicle Equipped with Keyless 
Start System Only)

P1618

CAN Communication Error 
(Reception Error for Keyless 
Start Control Module) (Vehicle 
Equipped with Keyless Start 
System Only)

P1621

Immobilizer Communication Line 
Error

P1622

EEPROM Error

P1623

Unregistered Transponder

P1625

Immobilizer Antenna Error

P1636

Immobilizer Information 
Registration Failure

P1638

Immobilizer Information 
Mismatched

DTC No.

Detected item

Detecting condition 

(DTC will set when detecting:)

DTC

MIL

1A-39 Engine General Information and Diagnosis: 

For A/T System (Only OBD Generic Scan Tool Is Displayed on the Following DTC(s) at the Same Time) 

DTC No.

Detecting Item

Detecting Condition

(DTC will set when detecting)

MIL

)

 P0705

Transmission Range Sensor Circuit 
Malfunction (PRNDL Input)

Refer to “DTC Table in Section 5A”.

)

 P0707

Transmission Range Sensor Circuit 
Low

)

 P0711

Transmission Fluid Temperature 
Sensor Range / Performance

)

 P0712

Transmission Fluid Temperature 
Sensor “A” Circuit Low

)

 P0713

Transmission Fluid Temperature 
Sensor “A” Circuit High

)

 P0717

Input / Turbine Speed Sensor 
Circuit No Signal

)

 P0722

Output Speed Sensor Circuit No 
Signal

)

 P0741

Torque Converter Clutch Circuit 
Performance or Stuck Off

)

 P0742

Torque Converter Clutch Circuit 
Stuck On

Refer to “DTC Table in Section 5A”.

)

 P0751

Shift Solenoid “A” Performance or 
Stuck Off

)

 P0752 Shift Solenoid “A” Stuck On

)

 P0756

Shift Solenoid “B” Performance or 
Stuck Off

)

 P0757 Shift Solenoid “B” Stuck On

)

 P0771

Shift Solenoid “E” Performance or 
Stuck Off

)

 P0772 Shift Solenoid “E” Stuck On

)

 P0781 1-2 Shift

)

 P0797

Pressure Control Solenoid “C” 
Stuck On

)

 P0962

Pressure Control Solenoid “A” 
Control Circuit Low

)

 P0963

Pressure Control Solenoid “A” 
Control Circuit High

)

 P0966

Pressure Control Solenoid “B” 
Control Circuit Low

)

 P0967

Pressure Control Solenoid “B” 
Control Circuit High

)

 P0970

Pressure Control Solenoid “C” 
Control Circuit Low

)

 P0971

Pressure Control Solenoid “C” 
Control Circuit High

)

 P0973

Shift Solenoid “A” Control Circuit 
Low

)

 P0974

Shift Solenoid “A” Control Circuit 
High

)

 P0976

Shift Solenoid “B” Control Circuit 
Low

)

 P0977

Shift Solenoid “B” Control Circuit 
High

Engine General Information and Diagnosis:  1A-40

)

 P0985

Shift Solenoid “E” Control Circuit 
Low

Refer to “DTC Table in Section 5A”.

)

 P0986

Shift Solenoid “E” Control Circuit 
High

)

 P1702

Internal Control Module Memory 
Check Sum Error

)

 P1703 CAN Invalid Data – TCM

)

 P1723 Range Select Switch Malfunction

)

 P1874

4WD Low switch circuit malfunction 
(Short)

)

 P1875

4WD Low switch circuit malfunction 
(Open)

)

 P2742

Transmission Fluid Temperature 
Sensor “B” Circuit Low

)

 P2743

Transmission Fluid Temperature 
Sensor “B” Circuit High

)

 P2763

Torque Converter Clutch Circuit 
High

)

 P2764

Torque Converter Clutch Circuit 
Low

)

 U0073

Control Module Communication 
Bus OFF

)

 U0100 Lost Communication With ECM

)

 U0140

Lost Communication With Body 
Control Module

DTC No.

Detecting Item

Detecting Condition

(DTC will set when detecting)

MIL