Speed and idle control

WARNING: This page is about a different variant/trim than selected.

DTC	Error Message	Diagnostic Procedure	Malfunction Criteria and Threshold Value	Secondary Parameters with Enable Conditions	Monitoring Time Length	Frequency of checks, MIL Illum
P0501	Vehicle Speed Sensor A Range/Performance	Check the vehicle speed signal. Refer to → Speed Signal, Checking .	VSS signal, >184 MPH	Time after start, 3 sec.	5 Seconds	Multiple 2 DCY
P0506	Idle Air Control System RPM Lower Than Expected	Check the Throttle Valve Control Module J338. Refer to → Throttle Valve Control Module J338 , Checking .	Engine speed deviation, -80 RPM	Engine speed, Idle Vehicle speed, 0 MPH Mass air flow, 0.05 g/rev EVAP purge flow, 1 kg/h ECT, 60 - 110°C	13 Seconds	Multiple 2 DCY
P0507	Idle Air Control System RPM Higher Than Expected	Check the Throttle Valve Control Module J338. Refer to → Throttle Valve Control Module J338 , Checking .	Engine speed deviation >80 RPM	Engine speed, Idle Vehicle speed, 0 MPH Mass air flow, 0.05 g/rev EVAP purge flow, 1 kg/h ECT, 60 - 110°C	13 Seconds	Multiple 2 DCY
P0562	System Voltage Low	Check the Transmission Control Module (TCM) J217 voltage supply. Refer to → Transmission Control Module (TCM) J217 , Voltage Supply, Checking .	Battery voltage to low 78.4 V Battery voltage to low to operate solenoids, but able to maintain the present solenoid state 9 V	Engine speed or input speed, > 1400 RPM And position, N or P Or Engine speed, >500 RPM And position, Not (P or N) FET, Enabled	0.05 Seconds 2.5 Seconds	Continuous 2 DCY
P0563	System Voltage High	Check the Transmission Control Module (TCM) J217 voltage supply. Refer to → Transmission Control Module (TCM) J217 , Voltage Supply, Checking .	Battery voltage to high >16 V	FET, Enabled Engine speed, >400 RPM Jump start, No	2.5 Seconds	Continuous 2 DCY