2010 Cadillac Truck Escalade RWD V8-6.0L Hybrid Page 921
6. Install a 3 A fused jumper wire between the signal circuit terminal 3 and the 5 V reference circuit terminal 2. Verify the scan tool BMC
Primary Piston Position Sensor A parameter is greater than 4.5 V.
瀚慖f less than the specified range, test the signal circuit for a short to ground or an open/high resistance. If the circuit tests normal, replace
the EBCM.
7. Verify the scan tool BMC Primary Piston Position Sensor B parameter is less than 1 V.
瀚慖f greater than the specified range, test the signal circuit terminal 1 for a short to voltage. If the circuit tests normal, replace the EBCM.
8. Install a 3A fused jumper wire between the signal circuit terminal 1 and the 5 V reference circuit terminal 2. Verify the scan tool BMC
Primary Piston Position Sensor B parameter is greater than 4.5 V.
瀚慖f less than the specified range, test the signal circuit for a short to ground or an open/high resistance. If the circuit tests normal, replace
the EBCM.
9. If all circuits test normal, replace the brake master cylinder piston position sensor.
Repair Instructions
Perform the Diagnostic Repair Verification (See: Verification Tests) after completing the diagnostic procedure.
* Brake Master Cylinder Primary Piston Position Sensor Replacement (See: Brakes and Traction Control/Antilock Brakes / Traction Control
Systems/Braking Sensor/Switch/Service and Repair)
* Brake Pressure Modulator Valve Replacement (See: Brakes and Traction Control/Antilock Brakes / Traction Control Systems/Hydraulic
Control Assembly - Antilock Brakes/Service and Repair)
* Control Module References (See: Testing and Inspection/Programming and Relearning) for EBCM replacement, setup, and programming
C0035
DTC C0035-C0050, C1207-C1210, C1221-C1228, or C1232-C1235
Diagnostic Instructions
* Perform the Diagnostic System Check - Vehicle (See: Testing and Inspection/Initial Inspection and Diagnostic Overview/Diagnostic System
Check - Vehicle) prior to using this diagnostic procedure.
* Review Strategy Based Diagnosis (See: Testing and Inspection/Initial Inspection and Diagnostic Overview/Strategy Based Diagnosis) for an
overview of the diagnostic approach.
* Diagnostic Procedure Instructions (See: Testing and Inspection/Initial Inspection and Diagnostic Overview/Diagnostic Procedure
Instructions) provides an overview of each diagnostic category.
DTC Descriptors
DTC C0035 04
- Left Front Wheel Speed Sensor Circuit Open Circuit
DTC C1232 00
- Left Front Wheel Speed Sensor Circuit Low Input
DTC C0035 26
- Left Front Wheel Speed Sensor Circuit Frequency too Low
DTC C1221 00
- Left Front Wheel Speed Sensor Circuit Malfunction
DTC C0035 27
- Left Front Wheel Speed Sensor Circuit Frequency too High
DTC C1225 00
- Left Front Wheel Speed Sensor Circuit Performance
DTC C0035 0E
- Left Front Wheel Speed Sensor Circuit Resistance Below Threshold
DTC C1207 00
- Left Front Wheel Speed Sensor Circuit High Input
DTC C0035 1F
- Left Front Wheel Speed Sensor Circuit Intermittent
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