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.
Chart B, Loss Of Serial Data (Non-CRT Equipped TORONADO & TROFEO)
IPC indicates loss of serial data communication by displaying the message ELECTRICAL PROBLEM. All other segments are blank. If display is fully illuminated and ELECTRICAL PROBLEM message is displayed, enter diagnostics and proceed to appropriate code chart. DO NOT use CHART A. Loss of serial data communications can occur for the following reasons:
- Short to ground anywhere in circuit No. 800
- Short to voltage anywhere in circuit No. 800
- Two opens in circuit No. 800
- Internal BCM or IPC fault
- Open in ECCP ground circuit or IGN 3 circuitNOTE: Test numbers refer to numbers on diagnostic chart.
- This step checks to see if ECCP has lost data communication along with IPC.
- Since IPC has lost data communications, shorting terminal "M" at ALDL connector should NOT remove data communications from ECCP. If this does happen, IPC is receiving data but is unable to communicate due to poor connection or an internal problem.
NO RELATED
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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.