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Home >> Suzuki >> 2006 >> Aerio Base, AWD >> Repair and Diagnosis >> Transmission >> Automatic Trans >> Automatic Transmission >> Diagnostic Information and Procedures >> DTC P0963 (No. 42): Pressure Control Solenoid Control Circuit High >> DTC Troubleshooting
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DTC Troubleshooting

DTC TROUBLESHOOTING CHART

Step Action YES NO
Was "A/T System Check" performed?  Go to Step 2. Go to A/T SYSTEM CHECK .
Check pressure control solenoid valve circuit for IG short 
  1. Turn ignition switch OFF and disconnect TCM connectors.
  2. Check for proper connection to TCM at terminals "G08-11" and "G08-8".
  3. If OK, turn ignition switch ON and measure voltage between terminal "G08-11" of disconnected harness side TCM connector and ground.

Is it 0 V? 
Go to Step 3. "GRY/RED" or "GRY/BLK" circuit shorted to power circuit.
Check pressure control solenoid valve resistance 
  1. Turn ignition switch OFF.
  2. Disconnect valve body harness connector (1) on transaxle (2).
  3. Check for proper connection to solenoid at "GRY/RED" and "GRY/BLK" circuits.
  4. Check resistance of solenoid.

Resistance of pressure control solenoid valve 
Between terminals of transaxle side valve body harness connector: 5.0 - 5.6 Ω at 20 °C (68 °F) Between terminals of transaxle side valve body harness connector and transaxle: Infinity
G04591829

 
Is check results satisfactory? 
Intermittent trouble or faulty TCM. Check for intermittent referring to INTERMITTENT AND POOR CONNECTION INSPECTION .
If OK, substitute a known-good TCM and recheck.
Replace pressure control solenoid valve or lead wire.