Pinpoint Test I: P166A

Normal Operation and Fault Conditions

REFER to: Module Controlled Functions - Component Location . .

DTC Fault Trigger Conditions

DTC	Description	Fault Trigger Condition
PCM P166A:00	Restraints Deployment Communication Circuit: No Sub Type Information	This DTC sets when the PCM detects an open or short in the IES circuit.

Possible Sources

BCM
Wiring, terminals or connectors

I1 DIAGNOSE THE CONCERN USING ENGINE CONTROLS - INTRODUCTION (EXCEPT DIESEL & HYBRID)
- Diagnose the concern using PINPOINT TEST INDEX .
Did the diagnosis in ENGINE CONTROLS - INTRODUCTION (EXCEPT DIESEL & HYBRID) instruct to install a new BCM ?

Yes REFER to: Body Control Module (BCM)

No The concern was resolved using PINPOINT TEST INDEX