C1738 Engine Error Code

When you check engine light came on code C1738 the reason should be . However your vehicle's manufacturer may have a different definition for the C1738 OBD-II Diagnostic Chassis (C) Trouble Code. So you should chech it on your car models.

C1738 Code Symptoms

C1738 OBD2 reports a sensor fault, replacement of the sensor is unlikely to resolve the underlying problem. The fault is most likely to be caused by the systems that the sensor is monitoring, but might even be caused by the wiring to the sensor itself.

Brake Switch Out of Self-Test Range Indicates that during Key On Engine Off (KOEO) Self-Test, BPP signal was high. Or during Key On Engine Running (KOER) Self -Test, the BPP signal did not cycle high and low. Open or short in (BPP) circuit Open or short in stoplamp circuits Damaged PCM Malfunction in module(s) connected to BPP circuit (Rear Electronic Module [REM] Windstar and LS6/LS8 and Lighting Control Module (LCM) Continental and Town Car) Damaged Brake Switch Misadjusted Brake Switch Check for proper function of stoplamps. Follow correct Self-Test procedures, refer to Section 2, Quick Test.

C1738 OBD-II Diagnostic Chassis (C) Trouble Code Description C1738 Air Suspension RR Corner Down Timeout so you have to check ODB-II Engine Error Code list. C1738 Code Review : The reason of C1738 OBD-II Engine Error Code is C1738 Air Suspension RR Corner Down Timeout.

C1738 Code Dictionary Meaning:

c - Chassis Code - Problem is controller area network wiring bus and modules. 1 - MFG - Manufacturer Specific 7 - Ignition System Or Misfire 3 - Low Coolant Circuit 8 - Park/Neutral Postion (PNP) Switch Circuit Engine Torque Signal Circuit

How long can you drive with a C1738 code ?

If your vehicle is displaying a C1738 OBD2 error code but is still running and driving normally, it means that the issue might not be immediately critical or causing immediate harm to the vehicle. However, it's important to address the issue as soon as possible for several reasons:

• Potential for Worsening
• Decreased Fuel Efficiency
• Emissions Testing Compliance
• Risk of Further Damage
• Safety Concerns
• Legal Considerations