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Home >> Fiat >> 2016 >> 500 Turbo, Standard Trans >> Repair and Diagnosis >> External Pages >> Different car >> Section 64 (1.4L 16-Valve Turbo - DTCS P0615-00 To P1040-00 - 500) >> DTC Troubleshooting >> P0687-00-ECM Main Control Circuit High >> Possible Causes

Possible Causes

WARNING: This page is about a different car, the 2015 Fiat 500. However, it is still accessible from the selected car via links, so may be relevant.
Possible Causes
ASD RELAY CONTROL CIRCUIT SHORTED TO VOLTAGE
ASD RELAY
POWERTRAIN CONTROL MODULE (PCM)

Always perform the Pre-Diagnostic Troubleshooting procedure before proceeding. Refer to  PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE  . 

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