Monday, December 16, 2019

2010 Cadillac Truck Escalade RWD V8-6.0L Hybrid Page 921

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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