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TBC Module DTC Definitions

TBC MODULE DTC DEFINITIONS

DTC Circuit Affected
B1397 5-Volt Reference Circuit Low
B1398 5-Volt Reference Circuit High
B1477 RAP Circuit Low
B1478 RAP Circuit High
B1480 Inadvertent Power Circuit Malfunction
B2527 Front Foglight Circuit Low
B2537 Rear Foglight Circuit Low (Export Only)
B2575 Headlight Request/Feedback Mismatch
B2577 Headlight Control Circuit Low
B2585 Park Light Control Circuit Malfunction
B2600 Daytime Running Light Circuit Malfunction
B2613 Dimming Potentiometer Circuit High
B2617 Courtesy Light Circuit Low
B2618 Courtesy Light Circuit High
B2647 Ambient Light Sensor Circuit Low
B2648 Ambient Light Sensor Circuit High
B2752 Horn Relay Coil Circuit Low
B2947 (1) Security System Sensor Power Circuit Low
B2948 (1) Security System Sensor Power Circuit High
B2957 (1) Security System Sensor Circuit Low
B2958 (1) Security System Sensor Circuit High
B2960 (1) Security System Sensor Data Incorrect But Valid
B2961 Ignition 1 - Key In/Out Mismatch
B3031 (1) Security System Controller In Learn Mode
B3033 (1) Security System Indicates Tamper
B3102 Keyless Entry (RFA) Data Link Circuit Low
B3137 Door Lock Circuit Low
B3138 Door Lock Circuit High
B3147 Passenger Door Unlock Circuit Low
B3148 Passenger Door Unlock Circuit High
U1255 Class 2 Communication Malfunction
U1301 Class 2 Data Link High
(1) See ANTI-THEFT SYSTEM article.