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:
Check Bus 2 Lines for Short Circuit
DESCRIPTION There may be a short circuit between the CAN main bus lines and/or CAN branch lines when the resistance between terminals 18 (CA4H) and 17 (CA4L) of the central gateway ECU (network gateway ECU) is below 54 Ω.
Symptom Trouble Area
Resistance between terminals 18 (CA4
Removal
REMOVAL CAUTION / NOTICE / HINT
The necessary procedures (adjustment, calibration, initialization or registration) that must be performed after parts are removed and installed, or replaced during fuel sender gauge assembly removal/installation are shown below. Necessary Procedures After Parts Remo
