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• | Perform the Diagnostic System Check - Vehicle prior to using this diagnostic procedure. |
• | Review Strategy Based Diagnosis for an overview of the diagnostic approach. |
• | Diagnostic Procedure Instructions provides an overview of each diagnostic category. |
This diagnostic applies to communication integrity between the engine control module (ECM) and the transmission control module (TCM). The ECM determines that the engine speed signal counter is incorrect for the current vehicle operation.
• | The ignition switch is in Unlock, Accessory, Run or Crank. |
• | The system voltage is more than 5.23 V. |
• | DTCs P0601, P0602, P0603, P0604, P0606, P0607, P062F, P0641, P0651, P2610 and U0101 are not set. |
The ECM detects that the TCM engine speed request circuit does not match the expected engine speed request circuit. Each test runs in 5 milliseconds. This DTC runs continuously.
DTC P150C is a Type B DTC.
DTC P150C is a Type B DTC.
Engine Control Module Description
Powertrain Diagnostic Trouble Code (DTC) Type Definitions
Engine Control Module Scan Tool Information : LNQ → LE5 w/GDS → LF1 w/GDS for scan tool information
⇒ | If DTC U0101 is set, repair that DTC first. |
Replace the K71 TCM.
Perform the Diagnostic Repair Verification after completing the diagnostic procedure.
Control Module References for K71 ECM replacement, setup, and programming
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