PROCEDURE
1. CHECK DTC (VEHICLE STABILITY CONTROL SYSTEM)
(a) Connect the Techstream to the DLC3.
(b) Turn the engine switch on (IG).
(c) Turn the Techstream on.
(d) Enter the following menus: Chassis / ABS/VSC/TRAC / Trouble Codes.
(e) Check for DTCs.
Result:
B -- GO TO VEHICLE STABILITY CONTROL SYSTEM (DTC CHART) See: Diagnostic Trouble Code Descriptions/Vehicle
Stability Control System
A -- Continue to next step.
2. REPLACE COMBINATION METER ASSEMBLY
(a) Replace the combination meter assembly See: Instrument Panel, Gauges and Warning Indicators/Instrument Cluster / Carrier/Service
and Repair/Removal and Replacement/Combination Meter/Components.
NEXT -- Continue to next step.
3. CHECK DTC (CRUISE CONTROL SYSTEM)
(a) Clear the DTCs See: Cruise Control/Testing and Inspection/Reading and Clearing Diagnostic Trouble Codes/Dynamic Radar Cruise
Control System.
(b) Perform the following to make sure that the DTC detection conditions are met.
HINT
If the detection conditions are not met, the malfunction cannot be detected.
(1) Drive the vehicle at a speed of 50 km/h (31 mph) or more.
(2) Turn the cruise control main switch on.
(3) Push the -SET switch to activate the cruise control.
(c) Check for DTCs See: Cruise Control/Testing and Inspection/Reading and Clearing Diagnostic Trouble Codes/Dynamic Radar Cruise
Control System.
Result:
B -- REPLACE ECM See: Powertrain Management/Computers and Control Systems/Engine Control Module/Service and
Repair/Components
A -- END
From 08/2009
CRUISE CONTROL: DYNAMIC RADAR CRUISE CONTROL SYSTEM: P0503: Vehicle Speed Sensor "A" Intermittent / Erratic / High
P0503 - Vehicle Speed Sensor "A" Intermittent / Erratic / High
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