Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSLINCOLN2006ZEPHYRREPAIR AND DIAGNOSIS (SINGLE PAGE)GENERAL INFORMATIONDTC INDEXINSTRUMENT CLUSTER DTCSINSTRUMENT CLUSTER DTCS
2006 Lincoln Zephyr
Instrument Cluster DTCS
2006 Lincoln ZephyrSECTION Instrument Cluster DTCS
INSTRUMENT CLUSTER DIAGNOSTIC TROUBLE CODE (DTC) LIST
| DTC | Description | Source | Action |
|---|---|---|---|
| B1202 | Fuel Sender Circuit Open | Instrument Cluster | GO to PINPOINT TEST B . |
| B1204 | Fuel Sender Circuit Short to Ground | Instrument Cluster | GO to PINPOINT TEST B . |
| B1205 | EIC Switch-1 Assembly Circuit Failure | Instrument Cluster | Trip/Reset switch failure occurred. VERIFY the trip/reset switch is not binding on the instrument cluster bezel. If the trip/reset switch is binding on the instrument cluster bezel, REPAIR the bezel assembly as necessary. CLEAR the DTCs. REPEAT the self-test. If the trip/reset switch is not binding on the instrument cluster bezel, CLEAR the DTCs. REPEAT the self-test. If DTC B1205 is still present, INSTALL a new instrument cluster. REFER to INSTRUMENT CLUSTER . TEST the system for normal operation. |
| B1317 | Battery Voltage High | Instrument Cluster | GO to PINPOINT TEST J . |
| B1318 | Battery Voltage Low | Instrument Cluster | GO to PINPOINT TEST J . |
| B1342 | ECU is Faulted | Instrument Cluster | INSTALL a new instrument cluster. REFER to INSTRUMENT CLUSTER . TEST the system for normal operation. |
| B1360 | Ignition Run/Ace Circuit Open | Instrument Cluster | GO to PINPOINT TEST V . |
| B1868 | Lamp Air Bag Warning Indicator Circuit Failure | Instrument Cluster | GO to PINPOINT TEST Q . |
| B2141 | NVM Configuration Failure | Instrument Cluster | REFER to MODULE CONFIGURATION . |
| B2143 | NVM Memory Failure | Instrument Cluster | CLEAR the DTCs. REPEAT the self-test. If DTC B2143 is still present, INSTALL a new instrument cluster. REFER to INSTRUMENT CLUSTER . TEST the system for normal operation. |
| B2207 | ECU ROM Checksum Error | Instrument Cluster | CLEAR the DTCs. REPEAT the self-test. If DTC B2207 is still present, INSTALL a new instrument cluster. REFER to INSTRUMENT CLUSTER . TEST the system for normal operation. |
| B2390 | Master/Slave Communication Failure | Instrument Cluster | CLEAR the DTCs. REPEAT the self-test. If DTC B2390 is still present, INSTALL a new instrument cluster. REFER to INSTRUMENT CLUSTER . TEST the system for normal operation. |
| B2477 | Module Configuration Failure | Instrument Cluster | RECONFIGURE the instrument cluster. REFER to MODULE CONFIGURATION . |
| B2844 | Ignition Fault | Instrument Cluster | GO to PINPOINT TEST W . |
| U1900 | CAN Communication Bus Fault | Instrument Cluster | REPAIR all other DTCs first. CLEAR the DTCs. CYCLE the key OFF then ON and wait 10 seconds. REPEAT the self-test. If DTC U1900 is still present, REFER to MODULE COMMUNICATIONS NETWORK . |
| 1901 | CAN Network #2 Communication Bus Fault-Receive Error | Instrument Cluster | REPAIR all other DTCs first. CLEAR the DTCs. CYCLE the key OFF then ON and wait 10 seconds. REPEAT the self-test. If DTC U1901 is still present, REFER to MODULE COMMUNICATIONS NETWORK . |
| U2050 | No Application Present | Instrument Cluster | REFLASH the instrument cluster. If the DTC occurs after a software reflash, REFLASH the instrument cluster again. If the DTC reappears after each attempt to reflash, INSTALL a new instrument cluster. REFER to INSTRUMENT CLUSTER . TEST the system for normal operation. |
| U2051 | One or More Calibration Files Missing/Corrupt | Instrument Cluster | REFLASH the instrument cluster. If the DTC occurs after a software reflash, REFLASH the instrument cluster again. If the DTC reappears after each attempt to reflash, INSTALL a new instrument cluster. REFER to INSTRUMENT CLUSTER . TEST the system for normal operation. |
| All Other DTCs | - | Instrument Cluster | REFER to MULTIFUNCTION ELECTRONIC CONTROL MODULES . |
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.