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STEP 1. Using scan tool MB991958, read the diagnostic ZC501967 AC404789 ZC5019680000 MB991824 MB991827 MB991910 Data link connector To prevent damage to scan tool MB991958, always turn the (1) Connect scan tool MB991958 to the data link connector. (2) Turn the ignition switch to the "ON" position. (3) Read the DTC. (4) Turn the ignition switch to the "LOCK" (OFF) position. Q:Is DTC P1246 set? YES: Replace the ECM. When the ECM is replaced, register the ID code. Refer to GROUP 42B, ID Code Registration NO: It can be assumed that this malfunction is intermittent. Refer to GROUP 00, How to Use DTC P1247: A/T Plausibility M11310100393USA0000010000 TECHNICAL DESCRIPTION DTC SET CONDITIONS Check Condition ⦆ Ignition switch is "ON" position. Judgment Criterion ⦆ A torque demand signal from TCM is not normal. TROUBLESHOOTING HINTS (The most likely ⦆ Automatic transaxle system failed. ⦆ ECM failed. DIAGNOSIS Required Special Tools: ⦆ MB991958: Scan Tool (M.U.T.-III Sub Assembly) ⦆ MB991824: V.C.I. ⦆ MB991827: USB Cable ⦆ MB991910: Main Harness A MULTIPORT INJECTION SYSTEM (MFI) <DIAGNOSIS> 13Ab-655 DIAGNOSTIC TROUBLE CODE PROCEDURES |