B1335
DTC B1335
Diagnostic Instructions
* Perform the Diagnostic System Check - Vehicle (Initial Inspection and Diagnostic Overview) prior to using this diagnostic procedure.
* Review Strategy Based Diagnosis (Initial Inspection and Diagnostic Overview) for an overview of the diagnostic approach.
* Diagnostic Procedure Instructions (Initial Inspection and Diagnostic Overview) provides an overview of each diagnostic category.
DTC Descriptor
DTC B1335 03
- Device Power 3 Circuit Voltage Below Threshold
Diagnostic Fault Information
Circuit/System Description
The folding top control (FTC) module receives B+ on X1, terminal 26. The FTC Module monitors this circuit for proper operation.
Conditions for Running the DTC
The FTC module is active.
Conditions for Setting the DTC
Voltage is less than 8 volts when active, or 9 volts when inactive.
Action Taken When the DTC Sets
The top is disabled.
Conditions for Clearing the DTC
The fault is no longer present and the top completes one cycle.
Diagnostic Aids
A weak battery can cause DTC B1335 03 to set.
Reference Information
Schematic Reference
Folding Top Schematics ([1][2]Convertible Top)
Connector End View Reference
Component Connector End Views (Connector Views)
Description and Operation
Power Folding Top Description and Operation (Power Folding Top Description and Operation)
Electrical Information Reference
* Circuit Testing (Component Tests and General Diagnostics)
* Connector Repairs (Component Tests and General Diagnostics)
* Testing for Intermittent Conditions and Poor Connections (Component Tests and General Diagnostics)
* Wiring Repairs (Component Tests and General Diagnostics)
Scan Tool Reference
Control Module References (Programming and Relearning) for scan tool information
Circuit/System Testing
1. Ignition OFF, disconnect the X1 harness connector at the folding top control module.
2. Ignition ON, test for greater than 9 volts between the B+ circuit terminal 26 and ground.
• If not within the specified range, test the B+ circuit for a short to ground or an open/high resistance.
3. If all circuits tests normal, replace the FTC module.
Repair Instructions
Perform the Diagnostic Repair Verification (Verification Tests) after completing the diagnostic procedure.
Control Module References (Programming and Relearning) for folding top control module replacement, setup, and programming