DTC P1783 [5R55S]
id0502c1807700
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DTC P1783 |
ATF overheating |
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DETECTION CONDITION
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• ATF temperature signal is 127° C {270 °F} or more
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POSSIBLE CAUSE
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• ATF level low
• Deteriorated ATF
• TFT sensor malfunction.
• TCM malfunction.
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Diagnostic procedure
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STEP |
INSPECTION |
ACTION |
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1
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VERIFY FREEZE FRAME DATA HAS BEEN RECORDED
• Has the FREEZE FRAME DATA been recorded?
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Yes
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Go to the next step.
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No
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Record the FREEZE FRAME DATA on the repair order, then go to the next step.
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2
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VERIFY RELATED SERVICE INFORMATION AVAILABILITY
• Verify related Service Information availability.
• Is any related Service Information available?
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Yes
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Perform repair or diagnosis according to the available Service Information.
• If the vehicle is not repaired, go to the next step.
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No
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Go to the next step.
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3
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VERIFY DTCS
• Turn the engine switch to the LOCK position, then to the ON position.
• Verify the DTCs in the TCM memory.
• Are DTCs except for P1783 output?
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Yes
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Go to the applicable DTC inspection.
(See DTC TABLE [5R55S].)
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No
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Go to SYMPTOM TROUBLESHOOTING, “NO.22 TRANSMISSION OVERHEATS”, then go to the next step.
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4
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INSPECT ATF CONDITION
• Inspect the ATF condition.
• Is it normal?
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Yes
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Go to the next step.
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No
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Replace the ATF, then go to Step 6.
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5
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NSPECT ATF LEVELVE
• Start the engine.
• Warm up the AT.
• Is the ATF level within the specification?
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Yes
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Go to the next step.
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No
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Add ATF to the specified level, then go to the next step.
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6
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VERIFY TROUBLESHOOTING OF DTC P1783 COMPLETED
• Make sure to reconnect all the disconnected connectors.
• Clear the DTC from the memory using the IDS/PDS.
• Perform the “After Repair Procedure”.
• Are any DTCs present?
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Yes
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Replace the TCM, then go to the next step.
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No
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Go to the next step.
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7
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VERIFY DTCS
• Are DTCs except for P1783 output?
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Yes
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Go to the applicable DTC inspection.
(See DTC TABLE [5R55S].)
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No
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DTC troubleshooting completed.
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