1994 PCED OBDI-A | SECTION 18A: Diesel Diagnosis — 7.3L DI Engine |
N: Clutch Pedal Position (CPP) Switch |
DTC 528 indicates the PCM detected a failure in the CPP circuit during the Dynamic Response Test.
Possible causes:
| Yes | No |
|---|---|
| GO to N2. | SERVICE other DTCs as necessary. If none, testing complete. |
| Yes | No |
|---|---|
| GO to N3. | GO to N5. |
| Yes | No |
|---|---|
| CPP circuit tests OK. RETURN to symptom flow charts. | GO to N4. |
| Yes | No |
|---|---|
| SERVICE battery short on Circuit 306 (T/LB). RETURN Scan Tool Diagnostic Test. | Clutch pedal position switch shorted closed. REPLACE switch. RERUN Scan Tool Diagnostic Test. |
| Yes | No |
|---|---|
| GO to N6. | REPLACE 10A fuse. RERUN Scan Tool Diagnostic Test. |
| Yes | No |
|---|---|
| CPP circuit open or high resistance. SERVICE Circuit 306. RERUN Scan Tool Diagnostic Test. | SERVICE ground short in Circuit 306 (T/LB). RERUN Scan Tool Diagnostic Test. |