NOTE: Body Control Modules (BCM) has on-board diagnostics capabilities. When diagnosing BCM concerns, go to ON-BOARD DIAGNOSTICS .

Control modules connected to class 2 data bus can detect system malfunctions or abnormalities and set Diagnostic Trouble Codes (DTCs). When a malfunction occurs, a current DTC will be stored in the related control modules. See BODY CONTROL MODULE (BCM) DTC DEFINITIONS table. Current DTCs indicate a control module has detected a fault or malfunction which is present during an ignition cycle. A history DTC indicates that a module has previously detected a current malfunction that is not present or no longer exists. Scan tool diagnostics should be used when checking for class 2 data bus circuit loss of communications codes (U1XXX), non-BCM related DTCs, and clearing most all stored DTCs (except BCM DTCs).

BODY CONTROL MODULE (BCM) DTC DEFINITIONS

DTC ⁽¹⁾

Module

Description

B0016 ⁽²⁾

SDM

Right Front Passenger Frontal Deployment Loop Resistance Low

B0017 ⁽²⁾

SDM

Right Front Passenger Frontal Deployment Loop Open

B0018 ⁽²⁾

SDM

Right Front Passenger Frontal Deployment Loop Short To Ground Or Voltage Out Of Range

B0022 ⁽²⁾

SDM

Left Front Driver Frontal Deployment Loop Resistance Low

B0024 ⁽²⁾

SDM

Left Front Driver Frontal Deployment Loop Short To Ground Or Voltage Out Of Range

B0026 ⁽²⁾

SDM

Left Front Driver Frontal Deployment Loop Open

B0028 ⁽²⁾

SDM

Right Front Passenger Side Deployment Loop Resistance Low

B0029 ⁽²⁾

SDM

Right Front Passenger Side Deployment Loop Open

B0030 ⁽²⁾

SDM

Right Front Passenger Deployment Loop Short To Ground Or Voltage Out Of Range

B0040 ⁽²⁾

SDM

Left Front Driver Side Deployment Loop Resistance Low

B0041 ⁽²⁾

SDM

Left Front Driver Side Deployment Loop Open

B0045 ⁽²⁾

SDM

Left Front Side Deployment Loop Short To Ground Or Voltage Out Of Range

B0051 ⁽²⁾

SDM

Deployment Commanded

B0053 ⁽²⁾

SDM

Deployment Commanded With Loop Malfunctions Present

B0057 ⁽²⁾

SDM

Right Front Passenger Pretensioner Deployment Loop Resistance Low

B0058 ⁽²⁾

SDM

Right Front Passenger Pretensioner Deployment Loop Open

B0059 ⁽²⁾

SDM

Right Front Passenger Pretensioner Deployment Loop Short To Ground Or Voltage Out Of Range

B0064 ⁽²⁾

SDM

Left Front Driver Pretensioner Deployment Loop Resistance Low

B0065 ⁽²⁾

SDM

Left Front Driver Pretensioner Deployment Loop Open

B0066 ⁽²⁾

SDM

Left Front Driver Pretensioner Deployment Loop Short To Ground Or Voltage Out Of Range

B0077 ⁽²⁾

SDM

Left Front Driver Side Impact Sensor Malfunction

B0078 ⁽²⁾

SDM

Right Front Passenger Side Impact Sensor Malfunction

B0079 ⁽²⁾

SDM

Incorrect Left Front/Driver Side Impact Sensor Installed

B0080 ⁽²⁾

SDM

Discard Left Front/Driver Side Impact Sensor

B0081 ⁽²⁾

SDM

Incorrect Right Front Passenger Side Impact Sensor Installed

B0082 ⁽²⁾

SDM

Discard Right Front Side Impact Sensor

B0160 ⁽³⁾

IPC

Temperature Sensor Circuit Low

B0162 ⁽³⁾

IPC

Temperature Sensor Circuit Open

B0931 ⁽³⁾

IPC

Compass Sensor Circuit Malfunction

B1000 ⁽⁴⁾

BCM

ECU Malfunction In Body Control Systems

B1001 ⁽⁴⁾

BCM, SDM

Option Configuration Error

B1004 ⁽⁴⁾

BCM

Keep Alive Memory (KAM)

B1440 ⁽³⁾

IPC

Power Mode Master Input Circuits Mismatch

B2823 ⁽³⁾

IPC

Trip Odometer Reset Switch Circuit Low

B2734 ⁽⁵⁾

CTD

Coded Key Controller Memory Failure

B2960 ⁽⁵⁾

CTD

Invalid Coded Key Present

B3031 ⁽⁵⁾

CTD

Key Decoder Device In Assembly Learn Mode

B3055 ⁽⁵⁾

CTD

Key Not Present

U1000

BCM, EBCM, IPC, SDM

Class 2 Communication Malfunction

U1001-U1254

BCM, EBCM, IPC, SDM

Loss Of Communications With XXX

U1255

BCM, EBCM, IPC, SDM

Class 2 Communication Malfunction

U1300

BCM, EBCM, SDM

Class 2 Circuit Low (Shorted To Ground)

U1301

BCM, EBCM, SDM

Class 2 Circuit High (Shorted To Voltage)

U1305

BCM, EBCM, SDM

Class 2 Circuit Low Or High (Shorted To Ground Or Voltage)

⁽¹⁾	For DTCs beginning with "C", perform diagnostic system check in appropriate BRAKES article. For DTCs beginning with "P", perform OBD diagnostic system check in appropriate article in ENGINE PERFORMANCE. For DTCs not listed, refer to system in which customer concern is apparent.

⁽²⁾	See lemon-25(R) AIR BAG SERVICE & REPAIR MANUAL, DOMESTIC & IMPORTED MODELS.

⁽³⁾	See appropriate ANALOG INSTRUMENT PANELS article.

⁽⁴⁾	Verify DTC is currently set and in which module it originated. Replace that module.

⁽⁵⁾	See appropriate ANTI-THEFT SYSTEMS article.

Safety Warning

Scan Tool Diagnostics

Use the Manual With the Right Hardware

When to See a Mechanic

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