Diagnostic Trouble Code Identification. Chevrolet Brazil Blazer 1997

For 1990-2009 cars

#### Diagnostic Trouble Code (DTC) Identification

DTC | Description | DTC Type* | Default Action
--- | --- | --- | ---

P0502

Vehicle Speed Sensor Assembly (VSS Assy.) Circuit--Low Input

A

• | DTC P0502 stores in VCM history

• | The VCM commands second gear only

• | The VCM commands maximum line pressure

• | The VCM freezes shift adapts from being updated

• | The VCM inhibits TCC engagement

P0560

System Voltage Malfunction

D

• | DTC P0560 stores in VCM history

• | All transmission output devices are off

• | The VCM freezes shift adapts from being updated

P0712

Automatic Transmission Fluid Temperature (TFT) Sensor Circuit--Low Input (High Temperature Indicated)

B

• | DTC P0712 stores in VCM history

• | The VCM uses a transmission fluid temperature default value of 135°C (275°F)

• | The VCM freezes shift adapts from being updated

P0713

Automatic Transmission Fluid Temperature (TFT) Sensor Circuit--High Input (Low Temperature Indicated)

B

• | DTC P0713 stores in VCM history

• | The VCM uses a transmission fluid temperature default value of 135°C (275°F)

• | The VCM freezes shift adapts from being updated

P0719

Brake Switch Circuit--Low Input

A

• | DTC P0719 stores in VCM history

• | The VCM inhibits 4th gear if the transmission is in hot mode

• | The VCM freezes shift adapts from being updated

P0724

Brake Switch Circuit--High Input

D

• | DTC P0724 stores in VCM history

• | The VCM freezes shift adapts from being updated

P0742

Torque Converter Clutch (TCC) System Stuck ON

B

• | DTC P0742 stores in VCM history

• | The VCM freezes shift adapts from being updated

P0748

Pressure Control Solenoid Valve (PC Sol. Valve) Circuit--Electrical

D

• | DTC P0748 stores in VCM history

• | The VCM freezes shift adapts from being updated

• | The PCS is OFF

P0751 | 1-2 Shift Solenoid Valve (1-2 SS Valve)--Performance | B | DTC P0751 stores in VCM history

P0753

1-2 Shift Solenoid Valve (1-2 SS Valve)--Electrical

A

• | DTC P0753 stores in VCM history

• | The VCM commands maximum line pressure

• | The VCM freezes shift adapts from being updated

• | If the transmission is in hot mode, the TCC engages in 3rd or 4th, if no braking or downshifts occur

• | The VCM inhibits downshifts to 2nd gear over 48 km/h (30 mph)

P0756

2-3 Shift Solenoid Valve (2-3 SS Valve)--Performance

B

• | DTC P0756 stores in VCM history

• | The VCM commands maximum line pressure

• | The VCM freezes shift adapts from being updated

P0758

2-3 Shift Solenoid Valve (2-3 SS Valve)--Electrical

A

• | DTC P0758 stores in VCM history

• | The VCM commands 3rd gear only

• | The VCM freezes shift adapts from being updated

• | The VCM commands maximum line pressure

• | The VCM inhibits TCC engagement

P1810

Automatic Transmission Fluid Pressure Manual Valve Position Switch (TFP Val. Position Switch) Circuit Malfunction

B

• | DTC 1810 stores in VCM history

• | The VCM commands D2 line pressure

• | The VCM commands a D4 shift pattern

• | The VCM freezes shift adapts from being updated

P1812

Transmission Fluid Overtemperature

D

• | DTC P1812 stores in VCM history

• | The VCM freezes shift adapts from being updated

P1860

Torque Converter Clutch Pulse Width Modulation Solenoid Valve (TCC PWM Sol. Valve) Circuit--Electrical

A

• | DTC P1860 stores in VCM history

• | The VCM inhibits TCC engagement

• | The VCM inhibits 4th gear if the transmission is in hot mode

• | The VCM freezes shift adapts from being updated

P1864

Torque Converter Clutch Solenoid Valve (TCC Sol Valve) Circuit--Electrical

A

• | DTC P1864 stores in VCM history

• | The VCM inhibits TCC engagement

• | The VCM commands maximum line pressure

• | The VCM inhibits 4th gear if the transmission is in hot mode

• | The VCM freezes shift adapts from being updated

P1870

Transmission Component Slipping

A

• | DTC P1870 stores in VCM history

• | The VCM inhibits TCC engagement

• | The VCM commands maximum line pressure

• | The VCM inhibits 4th gear if the transmission is in hot mode

• | The VCM freezes shift adapts from being updated

P1875

Four Wheel Drive Low Circuit Malfunction

A

• | DTC P1875 stores in VCM history

• | The VCM commands a soft landing to 3rd gear

• | The VCM inhibits TCC engagement

• | The VCM commands maximum line pressure

• | The VCM freezes shift adapts from being updated

P1886

3-2 Shift Solenoid Valve Assembly (3-2 SS Valve Assy.) Circuit--Electrical

A

• | DTC P1886 stores in VCM history

• | The VCM commands a soft landing to 3rd gear

• | The VCM inhibits TCC engagement

• | The VCM commands maximum line pressure

• | The VCM inhibits 4th gear if the transmission is in hot mode

• | The VCM freezes shift adapts from being updated

*DTC Types:

• | A-Emission-related, turns the MIL ON after the first failure.

• | B-Emission-related, turns the MIL ON after two consecutive trips with failure.

• | C-Non-emission-related, turns the service lamp ON after the first failure.

• | D-Non-emission-related, no lamps.