General Information: DTC Detecting Condition

DTC DETECTING CONDITION

Item	Detecting Condition	Possible cause
DTC Strategy	This code detects if the system is in Power Management Mode	Faulty ETC Items (TPS or ETC motor etc.) TPS Malfunction + MAFS Malfunction MAP Malfunction + TPS Malfunction Faulty PCM
Enable Conditions	Ignition On
Threshold value	Power Management Mode is active
Diagnosis Time	-
MIL On Condition	1 Driving Cycle

[Tip 1]

If Main relay has a fault (ex. Open) under engine running, the DTCs, P0638/P0685/P1295/P2106, can happen at the same time.
[Tip 2]
If P1295 and P2104 occur at the same time, first check APS and ETC items (TPS or ETC motor etc.).
[Tip 3]
If P1295 and P2106 occur at the same time, first check ETC items (TPS or ETC motor etc.).
DTC Name
P0638 Throttle Actuator Control Range/Performance (Bank 1)
P0685 PCM/PCM Power Relay Control Circuit/Open
P2104 Throttle Actuator Control System - Forced Idle
P2106 Throttle Actuator Control System - Forced Limited Power