Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSJEEP2013WRANGLER SPORT, STANDARD TRANSREPAIR AND DIAGNOSISBRAKESTRACTION CONTROLANTILOCK BRAKE SYSTEM (ABS) - ELECTRICAL DIAGNOSTICSDTC TROUBLESHOOTINGC1232-DRIVE TEST: PRESSURE SENSORDIAGNOSTIC TEST
2013 Jeep Wrangler Sport, Standard Trans
Diagnostic Test
2013 Jeep Wrangler Sport, Standard TransSECTION Diagnostic Test
- CHECK FOR A DTC C1232-DRIVE TEST: PRESSURE SENSOR NOTE:
This DTC must be active for the results of this test to be valid.
- Turn the ignition on.
- With the scan tool, read and record DTCs.
- With the scan tool, read and record Environmental Data to help identify the conditions in which the DTC was set.
- Perform ECU initialization with drive test. Refer to STANDARD PROCEDURE and perform the ABS VERIFICATION TEST.
- Start the engine and apply the brake firmly.
- With the scan tool, read and record DTCs.
Does the scan tool display: C1232-DRIVE TEST: PRESSURE SENSOR?
Yes
- Go To 2
No
- Perform the ABS-INTERMITTENT CONDITION TEST. Refer to STANDARD PROCEDURE .
- CHECK HYDRAULIC SYSTEM AND BRAKE SYSTEM COMPONENT INSTALLATION AND FUNCTION
- Verify that the Anti-Lock Brake Module and Hydraulic Control Unit are properly installed.
- Verify that the hydraulic system is properly filled and bled.
- Verify that the brake system components are installed and functioning properly.
Were any problems found?
Yes
- Repair as necessary.
- Perform ABS VERIFICATION TEST. Refer to STANDARD PROCEDURE .
No
- Clean contacts in HCU first if problem reoccurs replace the Integrated Control Unit in accordance with the Service Information.
- Perform ABS VERIFICATION TEST. Refer to STANDARD PROCEDURE .
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.