What is a Power Warning Lamp. 3 replies Report. Some 2014 – 2016 Fiesta Equipped With 1.6L Engine May Exhibit A Powertrain Malfunction ()/Service Warning Indicator Illuminated With No DTCs.. The malfunction light and powertrain light (spanner) may illuminate due to many reasons and may include engine, exhaust system, transmission, drive shaft, suspension, wheels, glow plugs (if diesel) and catalytic converter. Powertrain Malfunction Indicator Lamp The powertrain malfunction indicator lamp illuminates when a DTC is registered in the PCM which does not affect exhaust emissions. If you are trying to pass another car on the highway and while you are accelerating get a Drivetrain Malfunction message, the chances are that you: Have a bad high-pressure fuel pump; Clogged fuel filter; Damaged or dirty fuel injector. Has anyone experienced this indicator yet,and if so run a scan on their AP or seen their dealer? Contact your authorized dealer as soon as possible." 2014-2016 Fiesta – Malfunction Indicator Light (MIL) – Wrench Light On – No Diagnostic Trouble Codes (DTC) Occur At Oil Change Intervals. "Powertrain malfunction indicator: Illuminates when a powertrain or a 4x4 fault has been detected. Any powertrain malfunction will re-actively reduce the power and speed of your automobile until the component is repaired. This lamp will also illuminate if … 5l ecoboost v6 engine had an illuminated malfunction indicator lamp (mil), powertrain malfunction (wrench) lamp, service advancetrac message, hill start assist not available message, and lack of power with diagnostic trouble code p0107 (map faulty). Asked by susanlea in Cape Girardeau, MO on . September 16, 2009. the powertrain malfuction light comes on you can hit reset and it will go away or when you turn the car off and back on it will not be on anymore . The Drive Train Warning Light in your BMW can activate for one of many reasons. The powertrain warning lamp is an indication to decrease your vehicle’s workload. Contact your authorized dealer as soon as possible." Step 2 - Check Powertrain Control Module. Drivetrain malfunction comes up when accelerating. Why does my powertrain malfuction indicator light comes on. Hi, I have Ford Explorer and took to the local Service center to Change the Engine Wire. 2006 Mercury Mountaineer. I added fuel additive at the gas pumps. I tightened the gas cap and the check engine light went off. Vehicle is safe to drive though diagnostic equipment is required from a technician to correctly diagnose and fix the issue. Occurred while pulling away from a red light without warning. Drivetrain malfunction came on after an oil change This only two days and 50 miles after my first oil change (@600 miles). 3 Answers. Vehicle equipped with a 3. If you find that your engine is stalling or misfiring, failing to start, or suffering poor fuel economy, it's quite possible that you could have a bad or failing Engine Control Module (ECM) or Powertrain Control Module (PCM). The Malfunction Indicator Light (MIL) is also known as the Check Engine Light. After completing the Job The Car show Wrench Light On which says "Powertrain malfunction indicator: Illuminates when a powertrain or a 4x4 fault has been detected. Powertrain warning lamp ,is what factory service info calls it . Today, my powertrain warning light (the wrench icon) came on after 5 miles of normal city traffic driving. Several days later, my check engine light came on. in the user manual. The purpose of this warning light is to indicate a detected problem with the car and alert the driver about the issue. 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