Powertrain, generic (extended)

P26EE Engine Sound Control B Circuit High

Check engine lightOn
EmissionsRelevant
Drive cycleNot required
Limp modeNo

For the second sound actuator, P26EE signals a drive circuit carrying more voltage than expected, i.e. a short to battery positive or a feed coming back from a damaged actuator. Because the line is then powered from elsewhere, flap B may hold its position no matter what the driver selects. P26EE is not published by any maker; for orientation there are only the A codes in Ford's 2014 list and the exhaust valve driver checks in Ford's later summaries, which report output faults through a smart driver. When diagnosing, compare the B line with the unswitched supply wires running beside it and test the actuator off the car. Engine behaviour and emissions in normal driving are generally unchanged.

Likely causes

Actuator B wire in contact with a positive supply wire
Damaged actuator B feeding voltage back
Faulty output stage for circuit B in the module

Symptoms

  • Check engine light
  • Second flap stuck in one position

Repair estimate

DifficultyMediumDIY possible
Parts and labour€30–700
Time0.5–3 h

Typical range across vehicles; the real cost depends on what the testing finds.

Parts involved

sound actuatorexhaust sound valvewiring harness

Related codes

P26ECP26EDP26EFP26DDP2BFA

References: law.cornell.edu, fordservicecontent.com, performanceparts.ford.com.