Identifying Diagnostic Trouble Codes

If scan tool displays fault messages in TEST 1A, record messages displayed and perform appropriate test(s) listed in SCAN TOOL MESSAGE DIRECTORY table.

SCAN TOOL MESSAGE DIRECTORY

Scan Tool Display

Perform Test No.

A/C Control A/C Switch Failure

⁽¹⁾

A/C Control EBL Switch Failure

⁽¹⁾

A/C Control Blend Door Input Open Or Shorted To Ground

⁽¹⁾

A/C Control Blend Door Input Shorted To Battery

⁽¹⁾

A/C Control Mode Door Input Open Or Shorted To Battery

⁽¹⁾

A/C Control Mode Door Input Shorted To Ground

⁽¹⁾

ABS Bus Communication Failure

VEHICLE COMMUNICATIONS TEST 5A⁽³⁾

Air Bag Bus Communication Failure

VEHICLE COMMUNICATIONS TEST 2A⁽³⁾

Ambient Temperature Sensor Failure

OTIS TEST 2A

ATC Messages Not Received

VEHICLE COMMUNICATIONS TEST 3A ⁽³⁾

ATC Switch Failure

⁽¹⁾

Battery Power To Module Disconnected

VEHICLE COMMUNICATIONS TEST 4A ⁽³⁾

BCM Bus Communication Failure

VEHICLE COMMUNICATIONS TEST 4A ⁽³⁾

Blend Door Feedback Failure

⁽¹⁾

Blend Door Output Shorted To Battery

⁽¹⁾

Blend Door Output Shorted To Ground

⁽¹⁾

Blend Door Stall Test Failure

⁽¹⁾

Bus Shorted To Battery

VEHICLE COMMUNICATIONS TEST 13A ⁽³⁾

Bus Shorted To Ground

VEHICLE COMMUNICATIONS TEST 14A ⁽³⁾

Common Output Shorted To Battery

⁽¹⁾

Common Output Shorted To Ground

⁽¹⁾

Courtesy Lamp Output Short To Battery

INTERIOR LIGHT TEST 2A

Decklid Release Motor Output Failure

POWER DOOR LOCK TEST 18A

Decklid Release Switch Failure

POWER DOOR LOCK TEST 17A

Dimming Level Switch Input Failure

INSTRUMENT CLUSTER TEST 3A

EATX Bus Comm Failure

VEHICLE COMMUNICATIONS TEST 12A ⁽³⁾

EEPROM Constant Checksum Failure

⁽²⁾

Evaporator Temperature Sensor Failure

⁽¹⁾

Fuel Level Sending Unit Failure

INSTRUMENT CLUSTER TEST 2A

Headlamp Switch Input Failure

EXTERIOR LIGHT TEST 2A

In-Car Temperature Sensor Failure

⁽¹⁾

Internal Base/Premium Select Failure

⁽²⁾

I/P Illumination Failure

INSTRUMENT CLUSTER TEST 9A

Left Central Lock/Unlock Switch Failure

POWER DOOR LOCK TEST 13A

MIC Messages Not Received

VEHICLE COMMUNICATIONS TEST 6A ⁽³⁾

Mode Door Feedback Failure

⁽¹⁾

Mode Door Output Shorted To Battery

⁽¹⁾

Mode Door Output Shorted To Ground

⁽¹⁾

Mode Door Stall Test Failure

⁽¹⁾

OTIS Messages Not Received

VEHICLE COMMUNICATIONS TEST 8A ⁽³⁾

Post Failure

⁽²⁾

Recirc Door Output Shorted To Ground

⁽¹⁾

Recirc Door Output Shorted To Battery

⁽¹⁾

Recirculation Door Test Failure

⁽¹⁾

Right Central Lock/Unlock Switch Failure

POWER DOOR LOCK TEST 14A

RKE Unable To Enter Program Mode

POWER DOOR LOCK TEST 15A

RKE Program Mode Entered Without Program Request

POWER DOOR LOCK TEST 16A

SBEC Bus Communication Failure

VEHICLE COMMUNICATIONS TEST 9A ⁽³⁾

Speed Proportional Steering Circuit Open Or Shorted To Ground

SPEED PROPORTIONAL STEERING TEST 2A

Speed Proportional Steering Circuit Shorted To Battery

SPEED PROPORTIONAL STEERING TEST 3A

Speed Proportional Steering Solenoid Over Temperature

SPEED PROPORTIONAL STEERING TEST 4A

Sun Load Sensor Failure

⁽¹⁾

Wiper On/Off Relay Output Short High

WIPER TEST 4A

Wiper On/Off Relay Output Open Or Short Low

WIPER TEST 2A

Wiper Park Switch Failure

WIPER TEST 3A

⁽¹⁾	See appropriate article in A/C-HEATER SYSTEMS.

⁽²⁾	Replace body control module.

⁽³⁾	See appropriate VEHICLE COMMUNICATIONS article.