P1096moderate severityPowertrain
Tumble Generator Valve Circuit 2 Open
on 1996 Subaru Legacy 2.2L H4 · AWD
What this code means
The PCM has detected an open circuit in the Tumble Generator Valve 2 actuator circuit on the left-hand bank. This is the left bank counterpart of P1094.
Symptoms
- Check Engine Light
- TGV 2 LH does not operate
- Minor emissions and efficiency impact
Common causes
- Broken wire in TGV 2 circuit
- Disconnected LH actuator connector
- Corroded pins
- Open motor winding in actuator
- PCM output circuit open
Diagnostic steps
- Test TGV 2 actuator motor resistance
- Inspect LH actuator connector
- Check wiring continuity
- Verify PCM drive signal
- Compare with RH actuator readings
Repair notes
Repair open wiring or replace the LH TGV actuator.
Other Powertrain codes on this vehicle
P0001
Fuel Volume Regulator Control Circuit/Open
P0002
Fuel Volume Regulator Control Circuit Range/Performance
P0003
Fuel Volume Regulator Control Circuit Low
P0004
Fuel Volume Regulator Control Circuit High
P0010
Intake Camshaft Position Actuator Circuit/Open Bank 1
P0011
Intake Camshaft Position Timing Over-Advanced Bank 1
P0012
Intake Camshaft Position Timing Over-Retarded Bank 1
P0013
Exhaust Camshaft Position Actuator Circuit/Open Bank 1
P0014
Exhaust Camshaft Position Timing Over-Advanced Bank 1
P0015
Exhaust Camshaft Position Timing Over-Retarded Bank 1