Powertrain, generic

P0EE5 A/C Refrigerant Distribution Valve B Control Circuit High

Check engine lightOn
EmissionsNot relevant
Drive cycleNot required
Limp modeNo

P0EE5 means the control line of refrigerant valve B carries more voltage than its commanded state allows. If the driver switches the coil to ground, a short to a 12 V feed is the classic reason; with some driver types an open coil can also float the line high. The practical effect depends on whether valve B is normally open or normally closed: either it cannot be energised any more, or it is energised when it should rest. No manufacturer documents P0EE5 publicly. Audi's A7 PHEV shows that valve B is watched by its own thermal management unit (J1024), and automotive shut-off valves of this kind run on 12 V or 24 V coils, according to Egelhof. CARB requires electrical checks of such battery thermal management outputs. P0EE4 is the low counterpart, P2613 the valve A code.

Likely causes

Control wire shorted to a 12 V feed
Open coil letting the line float high
Faulty output stage in the controlling module

Symptoms

  • Warning lamp on
  • Cabin or battery cooling not working as requested

Repair estimate

DifficultyMediumWorkshop job
Parts and labour€50–800
Time0.5–3 h

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

Parts involved

ac refrigerant distribution valve bwiring harnessthermal management module

Related codes

P0EE4P0EE3P0EE6P2613

References: static.nhtsa.gov, egelhof.com, law.cornell.edu.