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C1095 is a diagnostic trouble code (DTC) for "ABS Hydraulic Pump Motor Circuit Failure". This can happen for multiple reasons and a mechanic needs to diagnose the specific cause for this code to be triggered in your situation. Our certified mobile mechanics can come to your home or office to perform the Check Engine Light diagnostic. Once we are able to diagnose the problem, you will be provided with an upfront quote for the recommended fix and receive $20.00 off as a credit towards the repair. All our repairs are backed by our 12-month / 12,000-mile warranty.
The C1095 code is a manufacturer-specific chassis code. In this case, it means the ABS hydraulic pump motor circuit has failed.
Codes related to the C1095 include:
A code C1095 will be stored when the ABS hydraulic pump motor circuit fails.
A vehicle’s ABS control module is sent wheel speed readings from each wheel speed sensor, using the data to determine if an ABS event is necessary. A wheel speed sensor electrically senses every tooth of an ABS sensor indicator as it passes through the wheel speed sensor's magnetic field.
An ABS control module continuously monitors and compares the rotational speed of each wheel. When the module detects an impending wheel lock, it modulates brake pressure to the appropriate brake caliper. This is done by triggering the hydraulic control unit to open and close necessary solenoid valves. Once the affected wheel returns to normal speed, the ABS control module returns the solenoid valves to their normal position and normal braking patterns resume.
Also, the ABS control module is self-monitoring so when a vehicle’s ignition switch is in the RUN position, the ABS control module does a preliminary electrical check and at approximately 12 mph the pump motor is turned on for approximately a half second. Any malfunction of the ABS system will cause the ABS to shut off however, normal power assisted braking is maintained.
Several problems may cause a C1095 code including:
Symptoms of a C1095 code may include: * Check engine light may illuminate * ABS Light may illuminate * ABS system may not work
A mechanic may use several methods to diagnose a C1095 trouble code, including: * Utilize an OBD-II scanner to check for a stored C1095 trouble code * Check brake fluid levels and compare against manufacturer specifications for the particular vehicle make and model * Visually inspect electrical wiring and related connectors for corrosion, damage, or shorts * Check the suspect wheel circuit for a short to power * Check the suspect wheel circuit for a short to ground * Check the suspect wheel speed sensor for a short to ground * Check the wheel speed circuit for open or short together * Check the wheel speed sensor for an open or short together * Check for continuous operation of the ABS Pump Motor * Check the battery junction box * Check for open circuits
Because a vehicle’s safe driving operation will not likely be impacted due to faults that store a C1095 code, this code is not considered a potentially serious code. However, because your vehicle’s ABS system may not work, when this code appears, it is recommended to immediately take your vehicle to your local service center or mechanic for repair and diagnosis.
Several repairs can fix a C1095 trouble code and include:
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