Powertrain, generic · Computer and auxiliary outputs

P06EE Engine RPM Output Circuit High

Check engine lightUsually off
EmissionsNot relevant
Drive cycleNot required
Limp modeNo

The engine module turns the crankshaft signal into a cleaned-up square wave for the tachometer, transmission or body-builder modules – Saab's 1999 9-3, for example, sends two pulses per revolution, about 30 Hz at idle. P06EE means this output is too high, typically shorted to supply voltage, so it can no longer switch to ground; the driver may shut down for protection. It is the counterpart of P0654 (open circuit) and P06ED (low). CARB requires output circuits to be checked. No manufacturer document available to us uses this code; the description follows CARB, the component and P0654. The tachometer then reads nothing or full scale, and modules using the signal lose it, while the engine runs normally.

Likely causes

Output wire shorted to 12 V
Wrongly connected accessory (speed pick-up)
Receiving device faulty
Engine module

Symptoms

  • Tachometer shows nothing or full scale
  • Other modules without speed signal
  • Engine runs normally

Repair estimate

DifficultyMediumDIY possible
Parts and labour€40–300
Time0.5–2 h

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

Parts involved

engine speed output circuittachometerengine control module

Related codes

P0654P06EDP0650

References: law.cornell.edu, saabwisonline.com.