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DTC P1247: CVT Plausibility
 
 
 
 
TECHNICAL DESCRIPTION
Checks for an abnormal signal of TCM.
 
 
DTC SET CONDITIONS
Check Condition
  • Ignition switch is "ON" position.
Judgment Criterion
  • A torque demand signal from TCM is abnormal.
 
 
FAIL-SAFE AND BACKUP FUNCTION
  • Torque requested by TCM is ignored.
 
 
TROUBLESHOOTING HINTS (The most likely causes for this code to be set are: )
  • CVT system failed.
  • ECM failed.
 
 
 
DIAGNOSIS
STEP 1. Using scan tool (M.U.T.-IIISE), read the diagnostic trouble code (DTC).
cautionTo prevent damage to scan tool (M.U.T.-IIISE), always turn the ignition switch to the "LOCK" (OFF) position before connecting or disconnecting scan tool (M.U.T.-IIISE).
(1) Connect scan tool (M.U.T.-IIISE). Refer to HOW TO CONNECT THE SCAN TOOL (M.U.T.-IIISE) .
(2) Turn the ignition switch to the "ON" position.
(3) Read the CVT-DTC.
(4) Turn the ignition switch to the "LOCK" (OFF) position.
Is CVT-DTC set?
Refer to GROUP 23A, Diagnosis <CVT> - Diagnostic Trouble Code Chart .
Go to Step 2.
 
STEP 2. Using scan tool (M.U.T.-IIISE), read the diagnostic trouble code (DTC).
(1) Turn the ignition switch to the "ON" position.
(2) Read the DTC.
(3) Turn the ignition switch to the "LOCK" (OFF) position.
Is the diagnostic trouble code other than P1247 set?
Refer to Diagnostic Trouble Code Chart .
Go to Step 3.
 
STEP 3. Using scan tool (M.U.T.-IIISE), read the diagnostic trouble code (DTC).
(1) Turn the ignition switch to the "ON" position.
(2) After the DTC has been deleted, read the DTC again.
(3) Turn the ignition switch to the "LOCK" (OFF) position.
Is DTC P1247 set?
Replace the ECM (Refer to Removal and Installation ).
It can be assumed that this malfunction is intermittent. Refer to GROUP 00, How to Use Troubleshooting/Inspection Service Points - How to Cope with Intermittent Malfunctions .