A L L Diagnostic Trouble Codes ( DTC )
Testing and Inspection- Diagnostic Trouble Code Descriptions
- Code to Test Chart
- 2 and 3 Digit Codes
- Scan Tool Text Codes
- A/C Clutch Relay Circuit
- Auto Shutdown (ASD) Relay Control Circuit
- Battery Temp Sensor Voltage Out of Limit
- Charging System Voltage Too High
- Charging System Voltage Too Low
- ECT Sensor Voltage Too High
- ECT Sensor Voltage Too Low
- EGR Solenoid Circuit
- EGR System Failure
- Engine Is Cold Too Long
- EVAP Purge Solenoid Circuit
- Generator Field Not Switching Properly
- High Speed Fan Control Relay Circuit
- Idle Air Control Motor Circuits
- Injector Control Circuit
- Internal Controller Failure
- Low Speed Fan Control Relay Circuit
- MAP Sensor Voltage Too High
- MAP Sensor Voltage Too Low
- No ASD Relay Output Voltage At PCM
- No Cam SYNC Signal at PCM
- No CCD Message From Body Control Module
- No Change In MAP From Start to Run
- No Crank Reference Signal at PCM
- No Vehicle Speed Sensor Signal
- O2S Shorted to Voltage
- O2S Stays Above Center (Rich)
- O2S Stays at Center
- O2S Stays Below Center (Lean)
- PCM Failure SPI Communications
- Radiator Fan Relay Control Circuit
- Slow Change In Idle MAP Sensor Signal
- Speed Control Solenoid Circuits
- Throttle Position Sensor Voltage High
- Throttle Position Sensor Voltage Low
- Detailed Descriptions
- Manufacturer Code Charts
- Diagnostic Notes (Read Before Proceding)
- Code to Test Chart
- Fault Code (FC) Tests
- FC-1A Checking System For Faults - START HERE -
- FC-2A No Crank Reference Signal at PCM
- FC-2B No Crank Reference Signal at PCM
- FC-3A No Cam SYNC Signal at PCM
- FC-4A Slow Map Change at Idle, No Change Start to Run
- FC-5A MAP Sensor Voltage Too Low
- FC-6A MAP Sensor Voltage Too High
- FC-7A No Vehicle Speed Sensor Signal
- FC-7B No Vehicle Speed Sensor Signal
- FC-8A O2 Sensor Signal Stays at Center
- FC-9A O2 Sensor Signal Above Center (Rich)
- FC-10A O2 Sensor Signal Below Center (Lean)
- FC-11A O2 Sensor Signal Shorted to Voltage
- FC-12A ECT Sensor Voltage Too Low
- FC-13A ECT Sensor Voltage Too High
- FC-14A Intake Air Temperature Voltage Low
- FC-15A Intake Air Temperature Voltage High
- FC-16A TPS Voltage Low
- FC-17A TPS Voltage High
- FC-18A Idle Air Control Motor Circuits
- FC-19A Injector # 1 Control Circuit
- FC-20A Injector # 2 Control Circuit
- FC-21A Injector # 3 Control Circuit
- FC-22A Injector # 4 Control Circuit
- FC-23A Ignition Coil # 1 Primary Circuit
- FC-24A Ignition Coil # 2 Primary Circuit
- FC-25A EVAP Solenoid Circuit
- FC-26A TC Wastegate Solenoid Circuit
- FC-27A BARO Read Solenoid Circuit
- FC-28A Turbo Boost Limit Exceeded
- FC-29A Auto Shutdown Relay (ASD) Control Circuit
- FC-30A No ASD Relay Output Voltage Sensed at PCM
- FC-31A RAD Fan Control Relay Circuit (AC/AY Only)
- FC-32A A/C Clutch Relay Circuit
- FC-33A Knock Sensor # 1 Circuit
- FC-34A SPI Communications and EEPROM Write Denied
- Airbag System
- 1A Reading System Codes
- 1B "Bus Failure" Message
- 1C Repairing Blank Scan Tool Screen
- 1D Repairing Ram Failure
- 1E Repairing Cartridge Error Failure
- 1F Repairing Key Pad Failure
- 1G Repairing Low/High Battery Failure
- 2A Repairing A Blank Scan Tool Screen
- 2B Repairing A Blank Scan Tool Screen
- 3A Correcting "No Response" Condition
- 3B Correcting "No Response" Condition
- 3C Correcting "No Response" Condition
- 4A Air Bag Module Codes
- 5A Repairing Code Two Front Sensors Open
- 6A Repairing Code Initiator Open
- 7A Repairing Code Initiator Short
- 8A Repairing Code Front Sensor Short
- 9A Repairing Code One Front Sensor Open
- 9B Repairing Code One Front Sensor Open
- 10A Repairing Code Ignition 2 (Run Only) Low
- 10B Repairing Code Ignition 2 (Run Only) Low
- 11A Repairing Code Warning Lamp Open
- 11B Repairing Code Warning Lamp Short
- 12A Repairing Code Ignition 1 (Start/Run) Low
- 12B Repairing Code Ignition 1 (Run/Start) Low
- 13A ASDM Replacement Procedure
- Antilock Brakes / Traction Control Systems
- Antilock 4 (4-Valve Type ABS System)
- 1A Checking For Diagnostic Trouble Codes
- 2A ABS Warning Lamp Diode Circuit
- 3 ABS Warning Lamp Circuit
- 4 Excess Decay
- 5A Left Front Wheel Speed Sensor
- 5B Left Front Wheel Speed Sensor
- 6A Left Rear Wheel Speed Sensor
- 6B Left Rear Wheel Speed Sensor
- 7 Left Front Wheel Speed Sensor Continuity Fault
- 8 Left Rear Wheel Speed Sensor Continuity Fault
- 9 Modulator Circuit
- 10 Pump/Motor Circuit
- 11 Right Front Wheel Speed Sensor Continuity Fault
- 12A Right Front Wheel Speed Sensor
- 12B Right Front Wheel Speed Sensor
- 13A Right Rear Wheel Speed Sensor
- 13B Right Rear Wheel Speed Sensor
- 14 Right Rear Wheel Speed Sensor Continuity Fault
- 15 Solenoid Undervoltage Fault
- 16 System Relay Circuit
- 17A DRB "No Response" Message
- 18A DRB Blank Screen
- Antilock 6 (6-Valve Type ABS System)
- 1A Reading Fault Messages
- 2A Testing Blank DRB II Message Screen
- 3A DRB "No Response" Message
- 4 Antilock Lamp Fault
- 5 Antilock Lamp Relay Fault
- 6A CAB Fault
- 7A Excess Decay Valve Fault
- 8A Left Front Wheel Speed Sensor Continuity Fault
- 9A Left Front Wheel Speed Sensor
- 10 Left Rear Wheel Speed Sensor Continuity Fault
- 11A Left Rear Wheel Speed Sensor Fault
- 12 Modulator Fault
- 13A Stop Lamp Switch Input Test
- 14 Pump Motor Fault
- 15 Red Brake Warning Lamp Input Test
- 16A Right Front Wheel Speed Sensor Continuity Fault
- 17A Right Front Wheel Speed Sensor
- 18A Right Rear Wheel Speed Sensor Continuity Fault
- 19A Right Rear Wheel Speed Sensor Fault
- 20 Solenoid Undervoltage Fault
- 21 System Relay Fault
- Antilock 4 (4-Valve Type ABS System)
- Antitheft and Alarm Systems
- 1A Identifying Vehicle Theft Security System Problems
- 1B Repairing "No Response" Condition From VTSS Module
- 1C Repairing Ignition Sw. Output Ckt to VTSS Module
- 1D Repairing Ignition Sw. Output Ckt to VTSS Module
- 2A Repairing Ignition Switch Output Circuit (Run/Start)
- 3A Repairing Ignition Switch Output Circuit (ACC)
- 4A Repairing Horn Circuit
- 4B Repairing Fused B(+) Circuit to VTSS Module
- 4C Repairing Trunk Key Cylinder Switch Sense Circuit
- 4E Repairing Fused B(+) Circuit
- 5A Repairing VTSS Indicator Lamp Driver Circuit
- 5B Repairing VTSS Indicator Lamp Driver Circuit
- 6A Repairing Park/Tail Lamp Circuit
- 6B Repairing Fused B(+) Ckt For VTSS Park/Tail Lamp Ckt
- 7A Repairing Left Door Ajar Switch Sense Circuit
- 7B Repairing Left Door Ajar Switch Sense Circuit
- 8A Repairing Right Door Ajar Switch Sense Circuit
- 8B Repairing Right Door Ajar Switch Sense Circuit
- 9A Repairing Hood Ajar Switch Sense Circuit
- 9B Repairing Hood Ajar Switch Sense Circuit
- 10A Repairing Door Lock Switch Output Circuit (Lock)
- 11A Repairing Door Lock Switch Output Circuit (Unlock)
- 12A Repairing Left Door VTSS Disarm Sense Circuit
- 13A Repairing Right Door VTSS Disarm Sense Circuit
- 13B Repairing VTSS Disarm Sense Circuit
- 14A Repairing Ignition Switch Output Circuit (Run/Start)
- 15A Disarming System
- 16A Repairing "No Response" From PCM
- 18C Repairing RKE Arm Function
- Body Control Module
- Symptom Identification (Start Here)
- Compass/Temperature Module
- 10A Identifying Compass/Temperature Module Problems
- 11A Repairing Compass/Temperature Module Blank Display
- 12A Repairing Compass/Temp Module Fluorescent Display
- 13A Checking Compass/Temperature Module Illumination
- 14A Repairing Compass Direction Reading
- 15A Repairing Ambient Temperature Reading
- 15B Checking the Engine Node
- 15C Repairing Ambient Temperature Sensor For Shorts
- 15D Repairing Open Ambient Temperature Sensor Circuit
- Courtesy Lamp System
- 16A Identifying Courtesy Lamp System Problems
- 17A Repairing All Courtesy Lamps Inoperative
- 17B Repairing Shorted Courtesy Lamp Power Circuit
- 17C Repairing All Courtesy Lamps Inoperative
- 18A Repairing Individual Courtesy Lamps
- 19A Repairing Courtesy Lamp Dash Switch
- 20A Repairing Courtesy Lamps on at All Times
- Door Ajar System
- Electronic Instument Cluster
- 23A Identifying Electronic Instrument Cluster Problems
- 24A Identifying Electronic Instrument Cluster DTCs
- 25A Electronic Instrument Cluster Switch Malfunction
- 26A Identifying Elec. Instrument Cluster Gauge Problems
- 27A Repairing Temperature Gauge Problems
- 28A Repairing Speedometer or Odometer Problem
- 29A Identifying Faulty Warning Lamp or Indicator
- 30A Brake Warning Lamp and Parking Brake Switch Problems
- 30B Brake Warning Lamp & Brake Pressure Switch Problems
- 30C Repairing Brake Warning Lamp & Brake Pressure Switch
- 31A Repairing Seat Belt Warning Lamp Problem
- 32A Repairing Electronic Cluster Dimming Function
- 32B Repairing Electronic Cluster Dimming Function
- 32C Repairing Electronic Cluster Dimming Function
- 32D Repairing Electronic Cluster Dimming Function
- 32E Repairing Electronic Cluster Dimming Function
- 32F Repairing Electronic Cluster Dimming Function
- 32G Repairing Electronic Cluster Dimming Function
- 32H Repairing Electronic Cluster Dimming Function
- Fuel Level Sending Unit
- Headlamp Time Delay System
- Illuminated Entry System
- Infinity Radio (CCD)
- 102A Identifying CCD Radio Problems
- 102B Identifying CCD Radio Diagnostic Trouble Codes
- 102C Repairing Shorted (L) Channel
- 102D Repairing Shorted (R) Channel
- 102E Repairing Antenna Error
- 103A Repairing Radio No Response Condition
- 103B Repairing Radio No Response Condition
- 104A Repairing No Sound From One Speaker
- 104B Repairing No Sound From One Speaker
- 104C Repairing No Sound From One Speaker
- 105A Repairing No Sound From All Speakers
- 106A Repairing Poor Sound Quality From One Speaker
- 107A Repairing Noise Distortion From One Speaker
- Key-In Lamp System
- Mechanical Cluster Warning Lamps
- 74A Identifying Mic Warning Lamp Problems
- 75A Repairing Seat Belt Warning Lamp Problem
- 75B Repairing Open Seat Belt Lamp Circuit
- 75C Repairing Shorted Seat Belt Lamp Circuit
- 76A Repairing Low Fuel Warning Lamp Circuit
- 76B Repairing Shorted Low Fuel Warning Lamp Circuit
- 76C Repairing Open Low Fuel Warning Lamp Circuit
- 77A Repairing A Check Gages Warning Lamp Problem
- 77B Repairing Open Check Gages Warning Lamp Circuit
- 77C Repairing Shorted Check Gages Warning Lamp Circuit
- No Response Tests
- 123A Body Control Module No Response Condition
- 124A Electronic Instrument Cluster, No Response
- 124B Electronic Instrument Cluster. No Response
- 125A Evic Panel, No Response
- 126A Traveler Module, No Response
- 127A Compass/Temperature Module, No Response
- 128A Engine Node, No Response
- 129A Powertrain Control Module, No Response
- 130A DRB Blank Screen
- Oil Pressure Sending Unit
- Charging System (CH) Tests
- CH-1A Testing Battery
- CH-1B Testing Battery
- CH-2A Repair Fault Alt Field Not Switching Properly
- CH-2B Repair Fault Alt Field Not Switching Properly
- CH-2C Repair Checking Field Control For Shorts
- CH-3A Repair Fault Charge System Voltage Too Low
- CH-4A Repair Fault Charge System Voltage Too High
- CH-4B Checking Engine Controller Regulating Circuit
- CH-5 Check the Charging System With No Fault Messages
- Chime System
- 2A Identifying Chime System Problems
- 3A No Chimes at All
- 4A Chime Operates With Seat Belt Buckled
- 5A Chime Operates With Key Out of Ignition
- 5B Shorted Key-In Ignition Circuit
- 6A No Chime W/ Key Out, Exterior Lamps on, LF Door Open
- 7A No Chime W/ Ignition Off, Key-In, LF Door Open
- 7B Open Key-In Ignition Circuit
- 8A No Chime W/ Seat Belt Unfastened & Key on For 6 sec.
- 9A No Chime When Turn Signals Are Left on
- 9B Left Turn Signal Circuit
- 9C Right Turn Signal Circuit
- EVIC Panel Monitor
- 33A Identifying EVIC Panel Problems
- 34A Identifying EVIC Message Problems
- 35A Repairing Blank Message Screen on EVIC Panel
- 35B Repairing Blank Message Screen on EVIC Panel
- 36A Repairing EVIC Panel Switch Problem
- 36B EVIC Panel Switch Test
- 37A Identifying Brake Lamp Out Message
- 38A Repairing Missing Brake Lamp Out Message
- 39A Repairing Right Brake Lamp Out
- 40A Repairing Left Brake Lamp Out
- 41A Repairing Faulty Brake Lamp Out Message
- 42A Repairing Faulty Coolant Level Low Message
- 43A Repairing Faulty Low Oil Level Message
- 44A Engine Temp High or Engine Temp Critical Message
- 45A Repairing Exterior Lights on Message
- 46A Repairing Faulty Fasten Seat Belt Message
- 47A Repairing Headlamp System/Right Headlamp Out
- 47B Repairing Headlamp System/Left Headlamp Out
- 48A Repairing Keys-In Ignition Message
- 49A Repairing Low Brake Fluid Message
- 50A R Headlamp Out Message But Headlamps Operate
- 51A Repairing Park Brake Engaged Message
- 52A Repairing Tail Lamp Problems
- 53A Repairing Right Tail Lamp Out
- 54A Repairing Left Tail Lamp Out
- 55A Repairing Trunk Ajar Message
- 56A Repairing Washer Fluid Low Message
- 57A Repairing Turn Signal on Message
- 57B Repairing Turn Signal on Message
- 58A Repairing Tail Lamp Out Message
- 59A Repairing Both Headlamps Out and No Message
- 59B Repairing Headlamp Power Supply
- 59C Repairing Headlamp Power Supply
- 60A Repairing All Brake Lamps Out and No Message
- 60B Repairing All Brake Lamps Out and No Message
- 60C Repairing All Brake Lamps Out and No Message
- 61A Repairing Right Side Brake Lamp Out and No Message
- 62A Repairing Left Side Brake Lamp Out and No Message
- 63A Repairing All Tail Lamps Out
- 63B Repairing All Tail Lamps Out
- 64A Repairing EVIC Illumination Dimming
- Power Door Lock System
- 78A Identifying Power Door Lock Problems
- 79A All Doors Failing to Lock & Unlock, Either Switch
- 79B All Doors Failing to Lock and Unlock, Either Switch
- 80A All Doors Failing to Lock and Unlock From One Switch
- 81A All Doors Failing to Lock From Either Switch
- 81B All Doors Failing to Lock From Either Switch
- 81C All Doors Failing to Lock From Either Switch
- 82A All Doors Failing to Lock From One Switch
- 83A All Doors Failing to Unlock From Either Switch
- 84A All Doors Failing to Unlock From One Switch
- 85A One Door Failing to Lock and Unlock From One Switch
- 86A Repairing the Door Lock Inhibit System
- 87A Repairing Auto (Speed Sensitive) Door Lock System
- Power Door Lock System With Remote Keyless Entry (RKE)
- 88A Identifying Power Door Lock and RKE Problems
- 89A Both Doors Failing to Lock/Unlock From Either Switch
- 90A Both Doors Failing to Lock/Unlock From One Switch
- 91A Both Doors Failing to Lock From Either Switch
- 92A Repairing Both Doors Failing to Lock From One Switch
- 93A Both Doors Failing to Unlock From Either Switch
- 94A Both Doors Failing to Unlock From One Switch
- 95A L/F Door Failing to Lock/Unlock From Any Switch
- 96A L/F Door Failing to Lock From Any Switch
- 97A L/F Door Failing to Unlock From Any Switch
- 98A Repairing Right Door Failing to Lock and Unlock
- 99A Repairing Right Door Failing to Lock
- 100A Repairing Right Door Failing to Unlock
- 101A Repairing Remote Keyless Entry System
- Speed Control (SP) Tests
- SP-1A Reading Fault Codes
- SP-2A Servo Power/ Ground Open Circuit Test
- SP-2B Speed Control Vacuum Solenoid Control Test
- SP-2C Speed Control Vent Solenoid Circuit Test
- SP-3A "No Vehicle Speed Signal" Fault Test
- SP-3B "No Vehicle Speed Signal" Fault Test
- SP-3C "No Vehicle Speed Signal" Fault Test
- SP-4A Speed Control Switches Test
- SP-5A Speed Control Switches Test
- SP-5B Speed Control Switch Circuit Short Test
- SP-5C Switch Short to Ground Test
- SP-5D Switch Circuit Open Test
- SP-6A Speed Control Resume Switch Test
- SP-6B Speed Control Resume Switch Test
- SP-7A Speed Control Set Switch Circuit Test
- SP-7B Speed Control Set Switch Circuit Test
- SP-8A Speed Control Set Switch Circuit Test
- SP-9A Speed Control Switch Circuit Test
- SP-9B Clockspring Circuit Short Test
- SP-9C Testing Clockspring Circuit For Open
- SP-10A Speed Control Switch Circuit Short Test
- SP-11A Brake Switch Circuit Open Test
- SP-11B Brake Switch Circuit Short Test
- SP-12A Speed Control Servo Operation Test
- SP-12B Vacuum to Servo Test
- SP-13A Park/Neutral Safety Switch Test
- SP-14A Checking For Intermittent Faults
- Traveler System
- Test 108A Identifying Traveler Problems
- Test 109A Repairing Traveler Blank Screen Problem
- Test 110A Repairing Traveler Display Showing F1-1
- Test 111A Repairing Vacuum Fluorescent Display Problem
- Test 112A Repairing Traveler Button Problem
- Test 113A Repairing Traveler Et Problem
- Test 114A Identifying Mileage and Distance Problems
- Test 115A Repairing Traveler Illumination Problem
- Windshield Wiper and Washer System
- Verification Tests
- ABS Verification Tests - Antilock 4
- ABS Verification Tests - Antilock 6
- Charging System Verification Tests
- Verification Test VER - 1A
- Verification Test VER-1A - Air Bag
- Verification Test VER-1A - Antitheft and Alarm System
- Verification Test VER-1A - No Start Verification Test
- Verification Test VER-2A - Antitheft and Alarm System
- Verification Test VER-2A - Road Test Verification
- Diagnostic Trouble Code Descriptions