DTC P1646 Cadillac

Electronic Steering Column Lock Communication Performance

Electronic Steering Column Lock Communication Performance

Description

This Type 2-3 code is an operation failure. It will set during a lock or unlock command. It can set if either a Wireless Ignition Node (WIN) or a Steering Column Lock Module (ELV) was replaced but were not replaced as a pair. It can also set if one of the wires is shorted or open.

Cause and Solution

(F892) IGNITION SWITCH OUTPUT (KEY-IN) SIGNAL CIRCUIT SHORTED TO GROUND(F892) IGNITION SWITCH OUTPUT (KEY-IN) SIGNAL CIRCUIT OPEN(F892) IGNITION SWITCH OUTPUT (KEY-IN) SIGNAL CIRCUIT SHORT TO VOLTAGE(Z905) GROUND OPEN(A106) FUSED B(+) OPEN(D508) COM-LIN TIRE PRESSURE MONITOR LAN CIRCUIT OPEN(D508) COM-LIN TIRE PRESSURE MONITOR LAN CIRCUIT SHORT TO GROUNDSTEERING COLUMN LOCK MODULE (ELV)WIRELESS IGNITION NODE (WIN)

Video Guide

Duration: PT4M40S | Uploaded: 2020-06-20

Diagnostic Info

  • DTC Code: P1646
  • Brand: Cadillac
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