U_Kl_15 signal not plausible
â–¶ How to fix
Checking of the vehicle wiring (line, ignition lock, relay, plug-in connectionsÂ…); Terminal 15 to TCU pin 25, ground at pins 17 and 18;
What you'll see
No driver-visible symptom recorded.
System reaction
No system-reaction text recorded.
Diagnostic depth
Detection
for 5 seconds the voltage KL15 9 V and engine speed 400 rpm; Normal mode
Possible cause
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