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OBD II CSU

OBD II Research Center

P1A24

Technical Definition:

Hybrid/EV Battery Interpack Contactor B Control Circuit Open

Trouble Code: P1A24
Address: 0x1A24
System: Powertrain
Subsystem:
Technical Description:

Possible Causes:

Possible Symptoms:

Possible Solutions:

OBD-II Trouble Code Type:

Diagnostic Step:

Tech Notes:

Specific Makes:

  • Error P1A24
  • OBD P1A24
  • OBD2 P1A24
  • P1A24 DTC
  • P1A24 OBD-II
  • Trouble Code P1A24
  • Leave a comment

P1A23

Technical Definition:

Hybrid/EV Battery Interpack Contactor A Stuck Open

Trouble Code: P1A23
Address: 0x1A23
System: Powertrain
Subsystem:
Technical Description:

Possible Causes:

Possible Symptoms:

Possible Solutions:

OBD-II Trouble Code Type:

Diagnostic Step:

Tech Notes:

Specific Makes:

  • Error P1A23
  • OBD P1A23
  • OBD2 P1A23
  • P1A23 DTC
  • P1A23 OBD-II
  • Trouble Code P1A23
  • Leave a comment

P1A22

Technical Definition:

Hybrid/EV Battery Interpack Contactor A Stuck Closed

Trouble Code: P1A22
Address: 0x1A22
System: Powertrain
Subsystem:
Technical Description:

Possible Causes:

Possible Symptoms:

Possible Solutions:

OBD-II Trouble Code Type:

Diagnostic Step:

Tech Notes:

Specific Makes:

  • Error P1A22
  • OBD P1A22
  • OBD2 P1A22
  • P1A22 DTC
  • P1A22 OBD-II
  • Trouble Code P1A22
  • Leave a comment

P1A21

Technical Definition:

Hybrid/EV Battery Interpack Contactor A Control Circuit High

Trouble Code: P1A21
Address: 0x1A21
System: Powertrain
Subsystem:
Technical Description:

Possible Causes:

Possible Symptoms:

Possible Solutions:

OBD-II Trouble Code Type:

Diagnostic Step:

Tech Notes:

Specific Makes:

  • Error P1A21
  • OBD P1A21
  • OBD2 P1A21
  • P1A21 DTC
  • P1A21 OBD-II
  • Trouble Code P1A21
  • Leave a comment

P1A20

Technical Definition:

Hybrid/EV Battery Interpack Contactor A Control Circuit Low

Trouble Code: P1A20
Address: 0x1A20
System: Powertrain
Subsystem:
Technical Description:

Possible Causes:

Possible Symptoms:

Possible Solutions:

OBD-II Trouble Code Type:

Diagnostic Step:

Tech Notes:

Specific Makes:

  • Error P1A20
  • OBD P1A20
  • OBD2 P1A20
  • P1A20 DTC
  • P1A20 OBD-II
  • Trouble Code P1A20
  • Leave a comment

P1A1F

Technical Definition:

Hybrid/EV Battery Interpack Contactor A Control Circuit Open

Trouble Code: P1A1F
Address: 0x1A1F
System: Powertrain
Subsystem:
Technical Description:

Possible Causes:

Possible Symptoms:

Possible Solutions:

OBD-II Trouble Code Type:

Diagnostic Step:

Tech Notes:

Specific Makes:

  • Error P1A1F
  • OBD P1A1F
  • OBD2 P1A1F
  • P1A1F DTC
  • P1A1F OBD-II
  • Trouble Code P1A1F
  • Leave a comment

P1A1E

Technical Definition:

Hybrid/EV Battery Contactor Control Signal

Trouble Code: P1A1E
Address: 0x1A1E
System: Powertrain
Subsystem:
Technical Description:

Possible Causes:

Possible Symptoms:

Possible Solutions:

OBD-II Trouble Code Type:

Diagnostic Step:

Tech Notes:

Specific Makes:

  • Error P1A1E
  • OBD P1A1E
  • OBD2 P1A1E
  • P1A1E DTC
  • P1A1E OBD-II
  • Trouble Code P1A1E
  • Leave a comment

P1A1D

Technical Definition:

Hybrid Battery B Power Switching Relay Performance

Trouble Code: P1A1D
Address: 0x1A1D
System: Powertrain
Subsystem:
Technical Description:

Possible Causes:

Possible Symptoms:

Possible Solutions:

OBD-II Trouble Code Type:

Diagnostic Step:

Tech Notes:

Specific Makes:

  • Error P1A1D
  • OBD P1A1D
  • OBD2 P1A1D
  • P1A1D DTC
  • P1A1D OBD-II
  • Trouble Code P1A1D
  • Leave a comment

P1A1C

Technical Definition:

Hybrid Battery A Power Switching Relay Performance

Trouble Code: P1A1C
Address: 0x1A1C
System: Powertrain
Subsystem:
Technical Description:

Possible Causes:

Possible Symptoms:

Possible Solutions:

OBD-II Trouble Code Type:

Diagnostic Step:

Tech Notes:

Specific Makes:

  • Error P1A1C
  • OBD P1A1C
  • OBD2 P1A1C
  • P1A1C DTC
  • P1A1C OBD-II
  • Trouble Code P1A1C
  • Leave a comment

P1A1B

Technical Definition:

Brake System Control Module – Forced Engine Running

Trouble Code: P1A1B
Address: 0x1A1B
System: Powertrain
Subsystem:
Technical Description:

Possible Causes:

Possible Symptoms:

Possible Solutions:

OBD-II Trouble Code Type:

Diagnostic Step:

Tech Notes:

Specific Makes:

  • Error P1A1B
  • OBD P1A1B
  • OBD2 P1A1B
  • P1A1B DTC
  • P1A1B OBD-II
  • Trouble Code P1A1B
  • Leave a comment

P1A1A

Technical Definition:

Variable Voltage Controller Over Temperature

Trouble Code: P1A1A
Address: 0x1A1A
System: Powertrain
Subsystem:
Technical Description:

Possible Causes:

Possible Symptoms:

Possible Solutions:

OBD-II Trouble Code Type:

Diagnostic Step:

Tech Notes:

Specific Makes:

  • Error P1A1A
  • OBD P1A1A
  • OBD2 P1A1A
  • P1A1A DTC
  • P1A1A OBD-II
  • Trouble Code P1A1A
  • Leave a comment

P1A19

Technical Definition:

Variable Voltage Controller Driver Temperature Sensor Circuit

Trouble Code: P1A19
Address: 0x1A19
System: Powertrain
Subsystem:
Technical Description:

Possible Causes:

Possible Symptoms:

Possible Solutions:

OBD-II Trouble Code Type:

Diagnostic Step:

Tech Notes:

Specific Makes:

  • Error P1A19
  • OBD P1A19
  • OBD2 P1A19
  • P1A19 DTC
  • P1A19 OBD-II
  • Trouble Code P1A19
  • Leave a comment

P1A18

Technical Definition:

Variable Voltage Controller Inductor Temperature Sensor Circuit

Trouble Code: P1A18
Address: 0x1A18
System: Powertrain
Subsystem:
Technical Description:

Possible Causes:

Possible Symptoms:

Possible Solutions:

OBD-II Trouble Code Type:

Diagnostic Step:

Tech Notes:

Specific Makes:

  • Error P1A18
  • OBD P1A18
  • OBD2 P1A18
  • P1A18 DTC
  • P1A18 OBD-II
  • Trouble Code P1A18
  • Leave a comment

P1A17

Technical Definition:

Variable Voltage Controller Processor

Trouble Code: P1A17
Address: 0x1A17
System: Powertrain
Subsystem:
Technical Description:

Possible Causes:

Possible Symptoms:

Possible Solutions:

OBD-II Trouble Code Type:

Diagnostic Step:

Tech Notes:

Specific Makes:

  • Error P1A17
  • OBD P1A17
  • OBD2 P1A17
  • P1A17 DTC
  • P1A17 OBD-II
  • Trouble Code P1A17
  • Leave a comment

P1A16

Technical Definition:

Variable Voltage Controller Voltage Control Circuit

Trouble Code: P1A16
Address: 0x1A16
System: Powertrain
Subsystem:
Technical Description:

Possible Causes:

Possible Symptoms:

Possible Solutions:

OBD-II Trouble Code Type:

Diagnostic Step:

Tech Notes:

Specific Makes:

  • Error P1A16
  • OBD P1A16
  • OBD2 P1A16
  • P1A16 DTC
  • P1A16 OBD-II
  • Trouble Code P1A16
  • Leave a comment

P1A15

Technical Definition:

Immediate Shutdown Signal B

Trouble Code: P1A15
Address: 0x1A15
System: Powertrain
Subsystem:
Technical Description:

Possible Causes:

Possible Symptoms:

Possible Solutions:

OBD-II Trouble Code Type:

Diagnostic Step:

Tech Notes:

Specific Makes:

  • Error P1A15
  • OBD P1A15
  • OBD2 P1A15
  • P1A15 DTC
  • P1A15 OBD-II
  • Trouble Code P1A15
  • Leave a comment

P1A14

Technical Definition:

Hybrid Powertrain Control Module – Transmission Disabled

Trouble Code: P1A14
Address: 0x1A14
System: Powertrain
Subsystem:
Technical Description:

Possible Causes:

Possible Symptoms:

Possible Solutions:

OBD-II Trouble Code Type:

Diagnostic Step:

Tech Notes:

Specific Makes:

  • Error P1A14
  • OBD P1A14
  • OBD2 P1A14
  • P1A14 DTC
  • P1A14 OBD-II
  • Trouble Code P1A14
  • Leave a comment

P1A13

Technical Definition:

Hybrid Powertrain Control Module – Regenerative Braking Disabled

Trouble Code: P1A13
Address: 0x1A13
System: Powertrain
Subsystem:
Technical Description:

Possible Causes:

Possible Symptoms:

Possible Solutions:

OBD-II Trouble Code Type:

Diagnostic Step:

Tech Notes:

Specific Makes:

  • Error P1A13
  • OBD P1A13
  • OBD2 P1A13
  • P1A13 DTC
  • P1A13 OBD-II
  • Trouble Code P1A13
  • Leave a comment

P1A12

Technical Definition:

Hybrid Powertrain Control Module – Generator Brake Disabled

Trouble Code: P1A12
Address: 0x1A12
System: Powertrain
Subsystem:
Technical Description:

Possible Causes:

Possible Symptoms:

Possible Solutions:

OBD-II Trouble Code Type:

Diagnostic Step:

Tech Notes:

Specific Makes:

  • Error P1A12
  • OBD P1A12
  • OBD2 P1A12
  • P1A12 DTC
  • P1A12 OBD-II
  • Trouble Code P1A12
  • Leave a comment

P1A11

Technical Definition:

Hybrid Powertrain Control Module – One Way Clutch Disabled

Trouble Code: P1A11
Address: 0x1A11
System: Powertrain
Subsystem:
Technical Description:

Possible Causes:

Possible Symptoms:

Possible Solutions:

OBD-II Trouble Code Type:

Diagnostic Step:

Tech Notes:

Specific Makes:

  • Error P1A11
  • OBD P1A11
  • OBD2 P1A11
  • P1A11 DTC
  • P1A11 OBD-II
  • Trouble Code P1A11
  • Leave a comment

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