Toyota Camry (XV70): Cruise Control System Internal Failure (P057504,P057549)
DESCRIPTION
When the ECM detects an internal malfunction, DTC P057504 or P057549 is stored.
|
DTC No. | Detection Item |
DTC Detection Condition | Trouble Area |
DTC Output from |
|---|---|---|---|---|
|
P057504 | Cruise Control System Internal Failure |
When the dynamic radar cruise control system is operating, the ECM detects a malfunction in the internal cancel circuit for 0.4 seconds or more. |
ECM | Cruise Control |
|
P057549 | Cruise Control Internal Electronic Failure |
When the dynamic radar cruise control system is operating, the ECM detects a malfunction in the internal STP signal circuit for 0.2 seconds or more. |
ECM | Cruise Control |
CAUTION / NOTICE / HINT
NOTICE:
Before replacing the ECM, refer to Registration.
w/ Smart Key System: Click here
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w/o Smart Key System: Click here
PROCEDURE
| 1. |
CHECK FOR DTCs (Radar Cruise1) |
(a) Clear the DTCs.
Powertrain > Cruise Control > Clear DTCs(b) Make sure that the DTC detection conditions are met.
HINT:
If the detection conditions are not met, the system cannot detect the malfunction.
(c) Check for DTCs.
Powertrain > Cruise Control > Trouble Codes|
Result | Proceed to |
|---|---|
|
DTC P057504 and P057549 are not output |
A |
| DTC P057504 or P057549 is output |
B |
| A |
.gif) | USE SIMULATION METHOD TO CHECK
|
| B |
| REPLACE ECM for A25A-FKS: Click here for 2GR-FKS: Click here
|
READ NEXT:
Brake System (P157800)
DESCRIPTION When a malfunction in the vehicle stability control system is detected, DTC P157800 is stored.
DTC No. Detection Item
DTC Detection Condition Trouble Area
DTC Output fr
Cruise Control Input Processor (P160700)
DESCRIPTION When the ECM detects that it is not functioning normally, DTC P160700 is stored.
DTC No. Detection Item
DTC Detection Condition Trouble Area
MIL DTC Output from
Communication Error from VSC to ECM Invalid Serial Data Received (P163081)
DESCRIPTION The skid control ECU (brake actuator assembly) sends signals such as brake request signals to the ECM. If an abnormal signal is detected, the ECM stores DTC P163081.
DTC No. Detect
SEE MORE:
Communication Error from ECM to VSC Invalid Serial Data Received (P163181)
DESCRIPTION The skid control ECU (brake actuator assembly) sends signals such as brake request signals to the ECM. When the ECM detects logic error signals sent from the skid control ECU (brake actuator assembly) for a certain period of time, DTC P163181 is stored.
DTC No. Detection Item
Selecting constant speed control mode - Dynamic radar cruise
control with full-speed
range
When constant speed control mode is selected, your vehicle will maintain
a set speed without controlling the vehicle-to-vehicle distance.
Select this mode only when vehicle-to-vehicle distance control mode
does not function correctly due to a dirty radar, etc.
1. With the cruise control off,
