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Home >> Suzuki >> 2005 >> Aerio SX, AWD >> Repair and Diagnosis >> Transmission >> Automatic Trans >> Automatic Transmission >> DTC P2764 (No. 26): TCC Pressure Control Solenoid Control Circuit Low >> Diagnostic Trouble Codes Troubleshooting
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Diagnostic Trouble Codes Troubleshooting

TROUBLESHOOTING CHART

Step Action Yes No
1 Was "A/T System Check" performed?  Go to Step 2. Go to "A/T SYSTEM CHECK :".
2 Check TCC solenoid valve resistance 
  1. Turn ignition switch OFF.
  2. Disconnect valve body harness connector (1) on transaxle (3).
  3. Check for proper connection to solenoid at "BLU/WHT" circuit.
  4. Check resistance of solenoid.

    Resistance between terminal (2) of transaxle side valve body harness connector and transaxle 

    11 - 15 Ω (at 20°C (68°F)) 

    Fig 1: Checking Resistance Between Terminal 2 Of Transaxle Side Valve Body Connector And Transaxle
    G04014972Courtesy of SUZUKI OF AMERICA CORP.

Is check result satisfactory? 

Go to Step 3. Replace TCC solenoid valve or lead wire.
3 Check TCC solenoid circuit for ground short 
  1. Disconnect TCM connectors.
  2. Check for proper connection to TCM at terminal "G08-12" of TCM connector.
  3. If connection is OK, check continuity between terminal "G08-12" of disconnected harness side TCM connector and ground.

Is continuity indicated? 

"BLU/WHT" circuit shorted to ground. Intermittent trouble or faulty TCM. Check for intermittent problem. If OK, substitute a known-good TCM and recheck.