You’re likely one of the millions of Lincoln owners who’ve experienced that frustrating “check engine” light. Did you know that in 2020, over 70% of vehicle repairs were misdiagnosed, leading to wasted time and money? Lincoln’s OBD/OBD2 codes are designed to help you avoid this hassle.
By tapping into these codes, you’ll gain access to a wealth of information about your vehicle’s issues, from faulty sensors to malfunctioning systems. But how do you decipher these codes and what do they really mean? You’re about to find out.
Understanding Lincoln OBD/OBD2 Codes
Understanding OBD/OBD2 codes is crucial for diagnosing and repairing issues efficiently when working on a Lincoln vehicle.
The Lincoln OBD/OBD2 code system provides a comprehensive list of codes, including manufacturer-specific codes, that help you identify specific problems.
These codes are categorized into groups, such as Electrical and Lighting Systems or Fuel, Air Intake, ABS, and Stability Assist, making it easier to pinpoint the issue.
Each code corresponds to a specific problem and is usually accompanied by a description of the issue and a recommended course of action for repair.
To access these Diagnostic Trouble Codes (DTCs), you can use an OBD II scan tool connected to the 16-pin data link connector under the steering column.
Retrieving and Interpreting Codes
Now that you have a solid understanding of the Lincoln OBD/OBD2 code system, it’s time to put that knowledge into practice by retrieving and interpreting the codes.
To do so, connect the OBD II scan tool to the 16-pin data link connector (DLC) under the steering column and turn the ignition on.
To access Diagnostic Trouble Codes (DTCs), follow the scan tool manufacturer’s operating instructions and guarantee the connector is uncovered before connecting the scan tool.
The retrieved codes will be in a specific format, such as B1470 or B1499. They can be looked up in the code library for manufacturer-specific information and ASE-certified fix advice. Also, confirm that all necessary connections are made and working properly.
Manufacturer-Specific Code Definitions
Explore the world of manufacturer-specific code definitions, where you’ll uncover detailed information about specific systems in your Lincoln vehicle.
As a Lincoln owner, you’ll benefit from understanding these fault codes, which provide detailed information on systems like electrical and lighting, climate control, airbag and safety features, navigation, communication, and audio systems, and fuel, air intake, ABS, and stability assist systems.
Ford Motor Company, Lincoln’s parent company, defines these codes to help you diagnose issues in your vehicle. The codes are organized by system type for easy reference, and if no manufacturer-specific code is available, you can use generic codes for comparison.
Diagnostic Trouble codes and Head unit codes are just a few examples of the specific definitions you’ll find in this list.
Most Common Acura OBD-II Trouble Codes
Engine Management
Fuel System
| Code | Description |
|---|---|
| P1200 | Fuel Pump Primary Circuit Malfunction |
| P1201 | Fuel Injector Circuit Open/Shorted |
| P1203-1206 | Injector Circuit Open – Cylinders 3-6 |
| P1211-1216 | Injector Circuit Short To Ground – Cylinders 1-6 |
| P1250 | Fuel Pressure Regulator Control Solenoid |
Engine Performance
| Code | Description |
|---|---|
| P1270 | Engine RPM Or Vehicle Speed Limiter Reached |
| P1285 | Cylinder Head Over Temperature Sensed |
| P1288-1290 | Cylinder Head Temperature Sensor Issues |
| P1299 | Cylinder Head Temperature Sensor Detected Engine Overheating |
| P1309 | Misfire Detection Monitor Not Enabled |
| P1380 | Misfire Detected – Rough Road Data Not Available |
Sensors and Input Signals
Air and Temperature
| Code | Description |
|---|---|
| P1100 | MAF Sensor Intermittent |
| P1101 | MAF Sensor Out Of Self-Test Range |
| P1105 | MAP/BARO Solenoid Circuit Fault |
| P1109-1115 | IAT Sensor Issues |
| P1116-1117 | ECT Sensor Issues |
Position and Speed Sensors
| Code | Description |
|---|---|
| P1039 | VSS Speed Signal Missing Or Improper |
| P1120-1124 | Throttle Position Sensor Issues |
| P1500-1502 | Vehicle Speed Sensor Issues |
Emission Control
EGR System
| Code | Description |
|---|---|
| P1400-1409 | EGR and DPFE Related Issues |
| P1443-1451 | EVAP System Issues |
Transmission
Control and Operation
| Code | Description |
|---|---|
| P1700 | Transmission Indeterminate Failure |
| P1701 | Reverse Engagement Error |
| P1702 | Transmission Internal Controller Error |
| P1789 | 3-2 Timing/Coast Clutch Solenoid Circuit Shorted |
| P1792 | Idle Switch Fault |
Vehicle Security and Communication
Security System
| Code | Description |
|---|---|
| P1260 | THEFT Deactivated, Engine Disabled |
| U1146-1147 | Invalid Or Missing Data For Vehicle Security |
Network Communication
| Code | Description |
|---|---|
| U1020 | Module Communications Network Concern |
| U1026-1029 | SCP Communication Issues |
| U1098-1099 | Vehicle Speed Control Communication |
Memory and Control Modules
PCM/ECM
Vehicle Comfort and Convenience
Climate Control
| Code | Description |
|---|---|
| P1460 | Wide Open Throttle A/C Cutoff Circuit Malfunction |
| P1461-1464 | A/C Pressure Sensor Issues |
Vehicle Personalization
| Code | Description |
|---|---|
| U1178 | Invalid Or Missing Data For Voice Command |
| U1180-1181 | Invalid Or Missing Data For Personalization |
| U1194 | Invalid Or Missing Data For Mirrors |
System Monitoring
Self-Test
| Code | Description |
|---|---|
| P1000 | OBD II Monitor/Readiness Testing Incomplete |
| P1001 | KOER Test Cannot Be Completed |
Power Management
| Code | Description |
|---|---|
| P1246 | Alternator Load Input Problem |
| P1794 | Loss Of Battery Voltage |
| U1117 | Invalid Or Missing Data For Electrical Energy Management |
