I live in the DFW area and weekend on my boat(s) on Lake Texoma and in Port Aransas so I am all over the place call when you come in 817-657-4115. Just test drove and all good love turning off my headlights without a grind moan and 1 popping back up LOVE IT! Just pulled codes 28TCS (2 codes) C1287H, C1288. A1 RDCM (1 code) B2265H. A6SCM (1 code) B2600. BORFA (1 code) C2100H. Runs great, I wonder what all this stuff means hmm where is the scratching my head icon
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The DTC's (Diagnostic Trouble Codes with a "H" behind them mean that they are history or the issue is no longer present. The DTC's with a "C" behind them are currently active issues.
28 TCS (Traction Control System)
C1287 & 1288:
Circuit Description
The vehicle stability enhancement system (VSES) is activated by the electronic brake control mdoule (EBCM) calculating the desired yaw rate and comparing it to the actual yaw rate input. The desired yaw rate is calculated from measured steering wheel position, vehicle speed, and lateral acceleration. The difference between the desired yaw rate and actual yaw rate is the yaw rate error, which is a measurement of oversteer or understeer. If the yaw rate error becomes too large, the EBCM will attempt to correct the vehicle's yaw motion by applying differential braking to the left or right front wheel.
The amount of differential braking applied to the left or right front wheel is based on both the yaw rate error and side slip rate error. The side slip rate error is a function of the lateral acceleration minus the product of the yaw rate and vehicle speed. The yaw rate error and side slip rate error are combined to produce the total delta velocity error. When the delta velocity error becomes too large and the VSES system activates, the drivers steering inputs combined with the differential braking will attempt to bring the delta velocity error toward zero.
The VSES activations generally occur during aggressive driving, in the turns or bumpy roads without much use of the accelerator pedal. When braking during VSES activation, the brake pedal will feel different than the ABS pedal pulsation. The brake pedal pulsates at a higher frequency during VSES activation.
Conditions for Setting the DTC
One of the following conditions exists:
• The steering wheel position sensor is synchronized and the steer rate (speed that the steering wheel appears to be turning) is greater than 1100 degrees/second.
• The steer rate is less than 80 degrees/second and the difference in the phase angle between Phase A and Phase B is greater than 20 degrees.
• The 2 steering sensor signals (Phase A and Phase B) do not agree for 1 second. Under this condition, this DTC will set along with DTC C1281.
A1 RDCM: (Right Door Control Module)
B2265 - B2265:
Circuit Description
The driver door module (DDM) and the passenger door module (PDM) receive mirror position signals from the mirror horizontal and vertical position sensors. These signals are used by the door modules for mem
ory recall functions of the driver and passenger mirrors. The door modules command the mirror memory settings based upon the voltage level received back from the position sensors. Each door module provides a 5 volt supply, a signal and a ground circuit for each of the position sensors. The horizontal and vertical position sensors are variable resistors that the door modules monitor voltage levels across. When a memory setting is recalled, the door modules command the mirror motors in the appropriate directions until the stored position sensor voltage levels are achieved. The DDM and PDM monitor the signal circuits to determine if the voltage level is out of range. If the DDM or PDM detects a voltage level out of range for greater than 2 seconds, a DTC is set.
Conditions for Setting the DTC
• The DDM or PDM detects a mirror position sensor signal voltage range under 0.1 volts or over 4.78 volts.
• Condition must be present for greater than 2 seconds.
A6 SCM (Seat Control Module)
B2600:
Circuit Description
The seat adjuster motors are controlled by the memory seat module through the adjuster motor control circuits. In an inactive state the adjuster motor control circuits are grounded through switch contacts within the memory seat module. Adjuster motor operation occurs when the memory seat module switches one of the adjuster motor control circuits to battery voltage. The direction of the adjuster motor rotation is determined by which of the control circuits is switched to battery positive and which remains grounded.
Conditions for Setting the DTC
• The memory seat module detects voltage on an adjuster motor control circuit while no output function is active.
• The condition must be present for 2 seconds.
BO RFA (Remote Function Actuation)
C2100, C2105, C2110, C2115, C2120, or C2121:
Circuit Description
The tire pressure monitor (TPM) system has 4 radio frequency (RF) transmitting pressure sensors in each wheel/tire assembly. As vehicle speed increases above 32 km/h (20 mph) the sensors internal roll switch closes which puts the sensor into drive mode. In this mode the sensors begin to transmit once every 60 seconds to the remote control door lock receiver (RCDLR). The data within this RF transmission is translated by the RCDLR into sensor presence, sensor mode, and tire pressure. The RCDLR waits for the first sensor to go into drive mode then checks if all sensors have gone into drive mode.
Conditions for Setting the DTC
Any given sensor does not go into drive mode, or does not transmit at all for 15 minutes.
Now you know.
