M11 code 432 IVS is the Cummins troubleshooting document for the Accelerator Pedal Circuit fault (PID P091, SPN 91, FMI 11, SRT 00-612). The accelerator pedal assembly relays the required accelerator percentage to the ECM, and this idle validation switch (IVS) branch confirms whether the pedal is on-idle or off-idle. It sets a red warning lamp and lists the exact conditions, causes, and step-by-step checks a technician follows.
Official document details
| Brand | Cummins |
|---|---|
| Model coverage | Cummins M11 CELECT electronic engines built 1990 to 1994 |
| System / Group | M11 CELECT (1990-94) |
| Fault identifiers | PID P091, SPN 91, FMI 11, SRT 00-612 |
| Warning lamp | Red |
| Pages | 7 |
| Format | |
| Language | English |
Document table of contents
- Circuit description
- Component location
- Shop Talk
- Step-by-step troubleshooting steps
- Fault code clearing and verification
Trucks covered by M11 code 432 IVS
This procedure applies to Cummins M11 CELECT electronic engines built 1990 to 1994. The procedure carries the Cummins fault identifiers PID P091, SPN 91, FMI 11, SRT 00-612 for reference and repair-time tracking. It is set by the ECM sees an accelerator pedal and idle validation switch signal that is out of calibration or interrupted, and typical effects include the red lamp illuminating and unreliable accelerator response until the pedal and switch are corrected. For engine specifications and dealer support, see the official Cummins website.
Who needs this M11 code 432 IVS manual
Heavy-truck technicians, fleet maintenance teams, and workshop owners diagnosing this fault use it to confirm the code before replacing parts. During diagnosis the idle validation switch must be properly calibrated per the manufacturer instructions, and the circuit checked for tampering or external circuits. The step-by-step tree starts by reading active and inactive codes with the diagnostic tool, then inspects the harness and connector pins for bent, corroded, pushed-back, or expanded pins, flushing them with electronic contact cleaner Part Number 3824510 before any component is condemned. Test leads run around the bulkhead are used to isolate a faulty OEM harness, and the code is rechecked and cleared once the repair passes.
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Applies to these truck models
This is the manufacturer document shared across 2 model families. It applies to:
- Cummins DTCs
- Cummins M11 CELECT (1990-94)
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