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Home >> Chevrolet >> 2005 >> Classic >> Repair and Diagnosis >> Brakes >> Traction Control >> Antilock Brake System >> Diagnostic Information and Procedures >> DTC C1217 >> Test Description
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Test Description

The number below refers to the step number on the diagnostic table.

  1. 3:  This step tests the pump motor circuits of the BPMV for a short to the housing of the BPMV.
DTC C1217

Step Action Value Yes No
Schematic Reference: ABS Schematics 
1 Did you perform the Diagnostic System Check - Vehicle? - Go to Step 2  Go to Diagnostic System Check - Vehicle in Vehicle DTC Information
2
  1. Turn OFF the ignition.
  2. Disconnect the electronic brake control module (EBCM) harness connector.
  3. Connect the J 39700  100-Pin Breakout Box using the J 39700-99  Breakout Box Adapter to the EBCM harness connector only. See Special Tools .
  4. Test both ground circuits of the EBCM including the EBCM ground for a high resistance or an open.
Did you find and correct the condition?		 - Go to Step 8  Go to Step 3 
3 
  1. Remove the EBCM from the brake pressure modulator valve (BPMV). Refer to Control Module References .
  2. Measure the resistance from both pump motor control circuits of the BPMV to the housing of the BPMV. Refer to Circuit Testing in Wiring Systems.
Does the resistance measure less than the specified value?		 5 Ω Go to Step 4  Go to Step 5 
4 Inspect for poor connections at the connector of the BPMV. Refer to Testing for Intermittent Conditions and Poor Connections and Connector Repairs in Wiring Systems.
Did you find and correct the condition?		 - Go to Step 8  Go to Step 6 
5 Inspect for poor connections at the harness connector of the EBCM. Refer to Testing for Intermittent Conditions and Poor Connections and Connector Repairs in Wiring Systems.
Did you find and correct the condition?		 - Go to Step 8  Go to Step 7 
6 Replace the BPMV. Refer to Control Module References in Computer/Integrating Systems for replacement, setup, and programming.
Did you complete the repair?		 - Go to Step 8  -
7 Replace the EBCM. Refer to Control Module References in Computer/Integrating Systems for replacement, setup, and programming.
Did you complete the repair?		 - Go to Step 8  -
8
  1. Use the scan tool in order to clear the DTCs.
  2. With the scan tool, perform the Automated Test.
Does the DTC reset?		 - Go to Step 2  System OK
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