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Injector Power Supply
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Overview
| CODE | REASON | EFFECT |
| Fault Code: 351 PID: S254 SPN: FMI: 12 LAMP: Yellow SRT: 00-606 |
Injector power supply below specifications inside the electronic control module. |
Possibly no noticeable effects. Possible reduced performance. |
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Electronic Control Module |
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Circuit Description
The CELECT™ electronic control module (ECM) is a computer that is responsible for engine control, diagnostics, and user features.
Component Location
ECM is bolted to the left side of the engine.
Shop Talk
Possible causes for this fault code include the injector pigtail rubbing against a push tube and an ECM internal failure.
Cautions and Warnings
 CAUTION To reduce the possibility of damaging the new ECM, all other active fault codes must be investigated prior to replacing the ECM. |
Troubleshooting Steps
| STEPS | SPECIFICATIONS | |
|---|---|---|
| STEP 1. | Check the ECM. | |
| STEP 1A. Check the ECM. | Fault Code 351 inactive | |
| STEP 1A-1. Check the new ECM. | ||
| STEP 2. | Clear the fault codes. | |
| STEP 2A. Clear the inactive fault codes. | All fault codes cleared | |
Guided Step 1 – Check the ECM.
|
CAUTION To reduce the possibility of damaging the new ECM, all other active fault codes must be investigated prior to replacing the ECM. |
| Guided Step 1A – Check the ECM. | |
|---|---|
Conditions
Action
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| OK | NOT OK |
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Fault Code 351 inactive |
Replace the ECM Refer to Procedure 019-031. |
| Guided Step 1A-1 – Check the new ECM. | |
|---|---|
Conditions
Action
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| OK | NOT OK |
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Fault Code 351 inactive |
Return to the troubleshooting steps or contact your nearest Cummins Authorized Repair Location if all the steps have been completed and checked again. |
Guided Step 2 – Clear the fault codes.
| Guided Step 2A – Clear the inactive fault codes. | |
|---|---|
Conditions
Action
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| OK | NOT OK |
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All fault codes cleared |
Troubleshoot any remaining active fault codes. |
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Repair Complete
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Appropriate troubleshooting chart
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