Pinpoint Test N : P166A

Normal Operation and Fault Conditions

REFER to: Engine - Overview .

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

N1 DIAGNOSE THE CONCERN USING THE PC/ED (POWERTRAIN CONTROL/EMISSIONS DIAGNOSIS) INFORMATION
- Diagnose the concern using the PC/ED service information pinpoint test. (ENGINE CONTROLS - POWERTRAIN DTC CHARTS & DESCRIPTIONS (EXCEPT DIESEL & HYBRID) )
Did the diagnosis in PC/ED instruct to install a new BCM?

Yes Refer to BCM GUIDED ROUTINE .

No Concern was resolved using PC/ED service information pinpoint test.