ABS, Brake, ESP/BAS, Traction Control Dash Light stay on...
#1
ABS, Brake, ESP/BAS, Traction Control Dash Light stay on...
I got in my 2007 Aspen with 95k miles tonight and the above mentioned lights come on every time I start the vehicle. I checked the codes with a simple blue tooth code reader, nothing, no codes at all... just the ABS, Brake, ESP/BAS, Traction Control dash lights.
I've read about this a little after a forum search and internet search. Some mention speed sensors? or brake pad wear? Is there a known condition that is most likely causing this? Just trying to figure out where to focus my next round of troubleshooting...
I've read about this a little after a forum search and internet search. Some mention speed sensors? or brake pad wear? Is there a known condition that is most likely causing this? Just trying to figure out where to focus my next round of troubleshooting...
#4
Bought an ABS Scanner,
Code C2200 "ANTI-LOCK BRAKE MODULE INTERNAL"
Apparently the ABS control module is bad...
Is it a very difficult task to replace? Is it just a module and not the unit with all the brake lines running in and out of it?
I'll looking for videos on the subject...
Code C2200 "ANTI-LOCK BRAKE MODULE INTERNAL"
Apparently the ABS control module is bad...
Is it a very difficult task to replace? Is it just a module and not the unit with all the brake lines running in and out of it?
I'll looking for videos on the subject...
Last edited by skid2964; 05-14-2016 at 08:07 PM.
#5
removal steps:
1. Remove the left front tire and wheel assembly.
2. Disconnect the electrical connector from the ABM module.
3. Remove the module mounting screws (2).
4. Remove the module from the HCU (1) on ESP vehicles be careful not to damage the pressure sensor or not to touch the sensor terminals on the HCU side or the contact pads on the ABM side when removing the ABM.
installation steps:
1. Position the module on the HCU on ESP vehicles be careful not to damage the pressure sensor or not to touch the sensor terminals on the HCU side or the contact pads on the ABM side when installing the ABM.
2. Install the mounting screws (2) and tighten to 2.5 Nm (22 in. lbs).
3. Perform the ABS verification test with a scan tool.
note:
ELECTRONIC BRAKE CONTROL
The Antilock Brake Module (ABM) is a microprocessor which handles testing, monitoring and controlling the ABS brake system operation.
The ABM is mounted on the top of the hydraulic control unit (HCU). The ABM operates the ABS system and is separate from other vehicle electrical circuits. ABM voltage source is through CKT A111 (fused B+).
NOTE: If the ABM needs to be replaced, Perform the ABS verification using a scan tool.
note2:
ABS UNIT
SYSTEM SELF-TEST
When the ignition switch is turned-on the microprocessor is tested. If an error occurs during the test, a DTC will be set into the memory. However it is possible the DTC will not be stored in memory if the error has occurred in the module were the DTC's are stored.
The ABM contains a self check program that illuminates the ABS warning light when a system fault is detected. Faults are stored in memory and are accessible with the scan tool.
ABS faults remain in memory until cleared, or until after the vehicle is started approximately 50 times. Stored faults are not erased if the battery is disconnected.
ABM INPUTS
The ABM continuously monitors the speed of the vehicle by monitoring signals generated by the wheel speed sensors. The ABM determines a wheel locking tendency when it recognizes the axle is decelerating too rapidly. The ABM monitors the following inputs to determine when a wheel locking tendency may exists:
Wheel Speed Sensors
Brake Lamp Switch
Brake Fluid Level Sensor (CAN C BUS)
G-Sensor (4X4)
ABM OUTPUTS
The ABM requests the following outputs for antilock braking and brake warning information from the CCN via CAN C Bus:
ABS Warning Lamp
Brake Warning Lamp
hope this helps
Simon
1. Remove the left front tire and wheel assembly.
2. Disconnect the electrical connector from the ABM module.
3. Remove the module mounting screws (2).
4. Remove the module from the HCU (1) on ESP vehicles be careful not to damage the pressure sensor or not to touch the sensor terminals on the HCU side or the contact pads on the ABM side when removing the ABM.
installation steps:
1. Position the module on the HCU on ESP vehicles be careful not to damage the pressure sensor or not to touch the sensor terminals on the HCU side or the contact pads on the ABM side when installing the ABM.
2. Install the mounting screws (2) and tighten to 2.5 Nm (22 in. lbs).
3. Perform the ABS verification test with a scan tool.
note:
ELECTRONIC BRAKE CONTROL
The Antilock Brake Module (ABM) is a microprocessor which handles testing, monitoring and controlling the ABS brake system operation.
The ABM is mounted on the top of the hydraulic control unit (HCU). The ABM operates the ABS system and is separate from other vehicle electrical circuits. ABM voltage source is through CKT A111 (fused B+).
NOTE: If the ABM needs to be replaced, Perform the ABS verification using a scan tool.
note2:
ABS UNIT
SYSTEM SELF-TEST
When the ignition switch is turned-on the microprocessor is tested. If an error occurs during the test, a DTC will be set into the memory. However it is possible the DTC will not be stored in memory if the error has occurred in the module were the DTC's are stored.
The ABM contains a self check program that illuminates the ABS warning light when a system fault is detected. Faults are stored in memory and are accessible with the scan tool.
ABS faults remain in memory until cleared, or until after the vehicle is started approximately 50 times. Stored faults are not erased if the battery is disconnected.
ABM INPUTS
The ABM continuously monitors the speed of the vehicle by monitoring signals generated by the wheel speed sensors. The ABM determines a wheel locking tendency when it recognizes the axle is decelerating too rapidly. The ABM monitors the following inputs to determine when a wheel locking tendency may exists:
Wheel Speed Sensors
Brake Lamp Switch
Brake Fluid Level Sensor (CAN C BUS)
G-Sensor (4X4)
ABM OUTPUTS
The ABM requests the following outputs for antilock braking and brake warning information from the CCN via CAN C Bus:
ABS Warning Lamp
Brake Warning Lamp
hope this helps
Simon
Last edited by cloutiersi; 05-16-2016 at 09:44 PM.
#7
Same lights, different code...
I see that this is an older thread. However, I'm having a similar issue. My wife was coming home in her 2007 Chrysler Aspen and noticed the car would no longer accelerate beyond about 30 mph. All the lights mentioned in the thread came on. I took a look at it the next day, it crank up with no problem, except the RPM was a bit higher and then it settled after a minute or so. The lights remained on. I drove it and after a few miles experienced the same deal, won't go passed 30 mph although the RPM continues to rise (while giving it gas). I found this thread, got a scanner with ABS, but only gives code U0401 which is not specific enough. An ABS module cost a bit, so want to know the issue before just changing parts. Any advice is appreciated.
#8
I see that this is an older thread. However, I'm having a similar issue. My wife was coming home in her 2007 Chrysler Aspen and noticed the car would no longer accelerate beyond about 30 mph. All the lights mentioned in the thread came on. I took a look at it the next day, it crank up with no problem, except the RPM was a bit higher and then it settled after a minute or so. The lights remained on. I drove it and after a few miles experienced the same deal, won't go passed 30 mph although the RPM continues to rise (while giving it gas). I found this thread, got a scanner with ABS, but only gives code U0401 which is not specific enough. An ABS module cost a bit, so want to know the issue before just changing parts. Any advice is appreciated.