Powertrain, generic · Transmission

P0951 Auto Shift Manual Control Circuit Range/Performance

Check engine lightUsually off
EmissionsNot relevant
Drive cycleRequired
Limp modeNo

Plausibility fault in the circuit that reports the driver's manual upshift and downshift requests, typically the tip gate of an automatic selector lever or steering wheel paddles. The signal is electrically valid but makes no sense, for example both requests active together or a request held far longer than any tap. A Volkswagen patent explains that the Hall elements in such tip gates are hard to diagnose and proposes checking all sensors and lines while the lever sits in P or R. No manufacturer documents this exact code publicly; CARB requires rationality checks on such inputs. P0950 is the general circuit fault, P0952 to P0954 the low, high and intermittent faults. Usually only manual shifting is disabled.

Likely causes

Sticking or worn up/down tip switch, request signal stays active
Displaced magnet or damaged Hall sensor board in the selector lever
Spilled liquid or dirt in the shifter causing cross-talk between contacts
Faulty input stage in the transmission or shifter control module

Symptoms

  • Tip shifting or paddles do not respond or respond erratically
  • Unwanted gear changes in manual mode
  • Warning message, automatic mode keeps working

Repair estimate

DifficultyMediumDIY possible
Parts and labour€40–450
Time0.5–2.5 h

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

Parts involved

auto shift manual switchwiring harnesstcm

Related codes

P0950P0952P0953P0954P0956P0819

References: law.cornell.edu, patents.google.com, patents.google.com.