NOTE: If the control module or one of the components is suspected and the vehicle remains under the manufacturer's warranty, refer to the warranty manual (section B1.2) before installing a new module/component, or determine if there is a previously approved special program in effect.
NOTE: Generic scan tools cannot read the codes listed or can only read 5-digit codes. Match the 5 digits from the scan tool with the first 5 digits of the listed 7-digit code to identify the fault (the last 2 digits provide additional information readable by the manufacturer-approved diagnostic system).
NOTE: When performing voltage or resistance tests, always use a digital multimeter (DMM) with three decimal places of accuracy and a current calibration certificate. Always include the resistance of the DMM leads when testing resistance.
NOTE: Before starting diagnostic programs using Pinpoint tests, check and eliminate basic faults.
NOTE: If DTCs are logged and the fault is not present after performing the Pinpoint tests, an intermittent problem may be the cause. Always check for loose connections and corroded terminals
| DTC | Description | Possible reason | Action |
| P131500 | Persistent misfire | Check for diagnostic trouble codes (DTCs) indicating a malfunction related to ignition or fuel. Repair as necessary. | |
| P136700 | Additional code for ignition system | Check the ignition signal circuit. Refer to the electrical manual. Repair as necessary. Install a new coil as necessary. For additional information, refer to: Ignition Coil with Spark Plug (303-07A Engine Ignition System, Removal and Installation). | |
| P136800 | Additional code for ignition system | Check the ignition signal circuit. Refer to the electrical manual. Repair as necessary. Install a new coil as necessary. For additional information, refer to: Ignition Coil with Spark Plug (303-07A Engine Ignition System, Removal and Installation). |
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