B3550 Lincoln Mkx OBD Code

OBD/2 B3550 error code description and symptoms.

HO2S Sensor Circuit Malfunction (HO2S-11) During testing the HO2S Heaters are checked for opens/shorts and excessive current draw.
The test fails when current draw exceeds a calibrated limit and/or an open or short is detected. Short to VPWR in harness or HO2S. Water in harness connector. Open VPWR circuit. Open GND circuit. Low battery voltage. Corrosion or poor mating terminals and wiring Damaged HO2S heater. Damaged PCM.

At this point we are assuming that the fuses and relays are good. You will need to locate the PCM/TCM and the power input signal circuit using your vehicle information source. Unplug the connector from the PCM/TCM, place the ignition switch in the ON position, and probe the appropriate circuit with the positive test lead of the DVOM.

B3550 Lincoln Mkx Error Code Repair Process :

When you turn on the ignition, the Service Engine Soon or Check Engine B3550 light should flash briefly, indicating that the OBD system is ready to scan your vehicle for any malfunctions. After this brief flash, the light should stay off while you drive as long as no problems are detected. If pcm - idm communications error so, you'll be glad to know that your vehicle is equipped with an early warning system that could save you time, money, and fuel in addition to helping protect the pcm - idm communications error.

Difficulty Level (Easy)

Repair Time (20 Min.)

Cost Prediction : $ 30-110

Common Causes of Lincoln Mkx B3550 OBD2 Code

A common cause of code B3550 is the failure of PCM - IDM Communications Error, but there are several other possible causes as well, such as ;

• Exhaust tube
• Faulty Crankshaft Position Sensor (POS)
• Faulty Camshaft Position Sensor
• Faulty TCM or TCM programming

B3550 is a kind of Body Trouble Code Auto body problems aren't always easy to spot. Diagnosing auto body problems sometimes requires a little know-how. In this section you'll find articles dedicated to teaching you how to diagnose auto body problems.

B3550 code for other Lincoln cars

You can view according B3550 DTC for your car model. We selected several models to see obd2 solutions click and view it.

• B3550 Lincoln 47 Hp
• B3550 Lincoln Aviator
• B3550 Lincoln Blackwood
• B3550 Lincoln Capri
• B3550 Lincoln Continental
• B3550 Lincoln Cosmopolitan
• B3550 Lincoln Ls
• B3550 Lincoln Mark
• B3550 Lincoln Mark Lt
• B3550 Lincoln Mkr
• B3550 Lincoln Mks
• B3550 Lincoln Mkz
• B3550 Lincoln Navigator
• B3550 Lincoln Neiman
• B3550 Lincoln Premiere
• B3550 Lincoln Sentinel
• B3550 Lincoln Town Car
• B3550 Lincoln V8
• B3550 Lincoln Zephyr

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