Powertrain Codes

P252A

Technical Definition:

Engine Oil Quality Sensor Circuit

Trouble Code: P252A
Address: 0x252A
System: Powertrain
Subsystem: Vehicle Speed Control, Idle Controls, and Auxiliary Inputs

Technical Description:

Possible Causes:

Possible Symptoms:

Engine Oil Quality Sensor Circuit

Possible Solutions:

OBD-II Trouble Code Type:

Diagnostic Step:

Tech Notes:

Specific Makes:

P252B

Technical Definition:

Engine Oil Quality Sensor Circuit Range / Performance

Trouble Code: P252B
Address: 0x252B
System: Powertrain
Subsystem: Vehicle Speed Control, Idle Controls, and Auxiliary Inputs

Technical Description:

Possible Causes:

Possible Symptoms:

Engine Oil Quality Sensor Circuit Range/Performance

Possible Solutions:

OBD-II Trouble Code Type:

Diagnostic Step:

Tech Notes:

Specific Makes:

P2528

Technical Definition:

Vacuum Reservoir Pressure Sensor Circuit High

Trouble Code: P2528
Address: 0x2528
System: Powertrain
Subsystem: Vehicle Speed Control, Idle Controls, and Auxiliary Inputs

Technical Description:

Possible Causes:

Possible Symptoms:

Vacuum Reservoir Pressure Sensor Circuit High

Possible Solutions:

OBD-II Trouble Code Type:

Diagnostic Step:

Tech Notes:

Specific Makes:

P2526

Technical Definition:

Vacuum Reservoir Pressure Sensor Circuit Range / Performance

Trouble Code: P2526
Address: 0x2526
System: Powertrain
Subsystem: Vehicle Speed Control, Idle Controls, and Auxiliary Inputs

Technical Description:

Possible Causes:

Possible Symptoms:

Vacuum Reservoir Pressure Sensor Circuit Range/Performance

Possible Solutions:

OBD-II Trouble Code Type:

Diagnostic Step:

Tech Notes:

Specific Makes:

P2527

Technical Definition:

Vacuum Reservoir Pressure Sensor Circuit Low

Trouble Code: P2527
Address: 0x2527
System: Powertrain
Subsystem: Vehicle Speed Control, Idle Controls, and Auxiliary Inputs

Technical Description:

Possible Causes:

Possible Symptoms:

Vacuum Reservoir Pressure Sensor Circuit Low

Possible Solutions:

OBD-II Trouble Code Type:

Diagnostic Step:

Tech Notes:

Specific Makes:

P2522

Technical Definition:

Air Conditioning (A/C) Request B Circuit

Trouble Code: P2522
Address: 0x2522
System: Powertrain
Subsystem: Vehicle Speed Control, Idle Controls, and Auxiliary Inputs

Technical Description:

Possible Causes:

Possible Symptoms:

Possible Solutions:

OBD-II Trouble Code Type:

Diagnostic Step:

Tech Notes:

Specific Makes:

P2523

Technical Definition:

Air Conditioning (A/C) Request B Circuit Low

Trouble Code: P2523
Address: 0x2523
System: Powertrain
Subsystem: Vehicle Speed Control, Idle Controls, and Auxiliary Inputs

Technical Description:

Possible Causes:

Possible Symptoms:

Possible Solutions:

OBD-II Trouble Code Type:

Diagnostic Step:

Tech Notes:

Specific Makes:

P2524

Technical Definition:

Air Conditioning (A/C) Request B Circuit High

Trouble Code: P2524
Address: 0x2524
System: Powertrain
Subsystem: Vehicle Speed Control, Idle Controls, and Auxiliary Inputs

Technical Description:

Possible Causes:

Possible Symptoms:

Possible Solutions:

OBD-II Trouble Code Type:

Diagnostic Step:

Tech Notes:

Specific Makes:

P2525

Technical Definition:

Vacuum Reservoir Pressure Sensor Circuit

Trouble Code: P2525
Address: 0x2525
System: Powertrain
Subsystem: Vehicle Speed Control, Idle Controls, and Auxiliary Inputs

Technical Description:

Possible Causes:

Possible Symptoms:

Vacuum Reservoir Pressure Sensor Circuit

Possible Solutions:

OBD-II Trouble Code Type:

Diagnostic Step:

Tech Notes:

Specific Makes:

P251F

Technical Definition:

Power Take-Off (PTO) Engine Shutdown Circuit High

Trouble Code: P251F
Address: 0x251F
System: Powertrain
Subsystem: Vehicle Speed Control, Idle Controls, and Auxiliary Inputs

Technical Description:

Possible Causes:

Possible Symptoms:

PTO Engine Shutdown Circuit High

Possible Solutions:

OBD-II Trouble Code Type:

Diagnostic Step:

Tech Notes:

Specific Makes:

P2520

Technical Definition:

Air Conditioning (A/C) Request A Circuit Low

Trouble Code: P2520
Address: 0x2520
System: Powertrain
Subsystem: Vehicle Speed Control, Idle Controls, and Auxiliary Inputs

Technical Description:

Possible Causes:

Possible Symptoms:

Possible Solutions:

OBD-II Trouble Code Type:

Diagnostic Step:

Tech Notes:

Specific Makes:

P2521

Technical Definition:

Air Conditioning (A/C) Request A Circuit High

Trouble Code: P2521
Address: 0x2521
System: Powertrain
Subsystem: Vehicle Speed Control, Idle Controls, and Auxiliary Inputs

Technical Description:

Possible Causes:

Possible Symptoms:

Possible Solutions:

OBD-II Trouble Code Type:

Diagnostic Step:

Tech Notes:

Specific Makes:

P251E

Technical Definition:

Power Take-Off (PTO) Engine Shutdown Circuit Low

Trouble Code: P251E
Address: 0x251E
System: Powertrain
Subsystem: Vehicle Speed Control, Idle Controls, and Auxiliary Inputs

Technical Description:

Possible Causes:

Possible Symptoms:

PTO Engine Shutdown Circuit Low

Possible Solutions:

OBD-II Trouble Code Type:

Diagnostic Step:

Tech Notes:

Specific Makes:

P251B

Technical Definition:

Power Take-Off (PTO) Enable Switch Circuit Low

Trouble Code: P251B
Address: 0x251B
System: Powertrain
Subsystem: Vehicle Speed Control, Idle Controls, and Auxiliary Inputs

Technical Description:

Possible Causes:

Possible Symptoms:

PTO Enable Switch Circuit Low

Possible Solutions:

OBD-II Trouble Code Type:

Diagnostic Step:

Tech Notes:

Specific Makes:

P251C

Technical Definition:

Power Take-Off (PTO) Enable Switch Circuit High

Trouble Code: P251C
Address: 0x251C
System: Powertrain
Subsystem: Vehicle Speed Control, Idle Controls, and Auxiliary Inputs

Technical Description:

Possible Causes:

Possible Symptoms:

PTO Enable Switch Circuit High

Possible Solutions:

OBD-II Trouble Code Type:

Diagnostic Step:

Tech Notes:

Specific Makes:

P251D

Technical Definition:

Power Take-Off (PTO) Engine Shutdown Circuit / Open

Trouble Code: P251D
Address: 0x251D
System: Powertrain
Subsystem: Vehicle Speed Control, Idle Controls, and Auxiliary Inputs

Technical Description:

Possible Causes:

Possible Symptoms:

PTO Engine Shutdown Circuit/Open

Possible Solutions:

OBD-II Trouble Code Type:

Diagnostic Step:

Tech Notes:

Specific Makes:

P2518

Technical Definition:

Air Conditioning (A/C) Refrigerant Pressure (Sensor B) Circuit High

Trouble Code: P2518
Address: 0x2518
System: Powertrain
Subsystem: Vehicle Speed Control, Idle Controls, and Auxiliary Inputs

Technical Description:

Possible Causes:

Possible Symptoms:

Possible Solutions:

OBD-II Trouble Code Type:

Diagnostic Step:

Tech Notes:

Specific Makes:

P2519

Technical Definition:

Air Conditioning (A/C) Request A Circuit Malfunction

Trouble Code: P2519
Address: 0x2519
System: Powertrain
Subsystem: Vehicle Speed Control, Idle Controls, and Auxiliary Inputs

Technical Description:

Possible Causes:

Possible Symptoms:

Possible Solutions:

OBD-II Trouble Code Type:

Diagnostic Step:

Tech Notes:

Specific Makes:

P251A

Technical Definition:

Power Take-Off (PTO) Enable Switch Circuit / Open

Trouble Code: P251A
Address: 0x251A
System: Powertrain
Subsystem: Vehicle Speed Control, Idle Controls, and Auxiliary Inputs

Technical Description:

Possible Causes:

Possible Symptoms:

PTO Enable Switch Circuit/Open

Possible Solutions:

OBD-II Trouble Code Type:

Diagnostic Step:

Tech Notes:

Specific Makes:

P2515

Technical Definition:

Air Conditioning (A/C) Refrigerant Pressure (Sensor B) Circuit

Trouble Code: P2515
Address: 0x2515
System: Powertrain
Subsystem: Vehicle Speed Control, Idle Controls, and Auxiliary Inputs